20218481850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{3433}}^1$

素因数の和:3605

約数の個数: 192

約数和(自身を含む): 58864803840

約数和(自身を除く): 38646321990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 71, 75, 79, 105, 142, 150, 158, 175, 210, 213, 237, 350, 355, 395, 426, 474, 497, 525, 553, 710, 790, 994, 1050, 1065, 1106, 1185, 1491, 1659, 1775, 1975, 2130, 2370, 2485, 2765, 2982, 3318, 3433, 3550, 3950, 4970, 5325, 5530, 5609, 5925, 6866, 7455, 8295, 10299, 10650, 11218, 11850, 12425, 13825, 14910, 16590, 16827, 17165, 20598, 24031, 24850, 27650, 28045, 33654, 34330, 37275, 39263, 41475, 48062, 51495, 56090, 72093, 74550, 78526, 82950, 84135, 85825, 102990, 117789, 120155, 140225, 144186, 168270, 171650, 196315, 235578, 240310, 243743, 257475, 271207, 280450, 360465, 392630, 420675, 487486, 514950, 542414, 588945, 600775, 720930, 731229, 813621, 841350, 981575, 1177890, 1201550, 1218715, 1356035, 1462458, 1627242, 1706201, 1802325, 1898449, 1963150, 2437430, 2712070, 2944725, 3412402, 3604650, 3656145, 3796898, 4068105, 5118603, 5695347, 5889450, 6093575, 6780175, 7312290, 8136210, 8531005, 9492245, 10237206, 11390694, 12187150, 13560350, 17062010, 18280725, 18984490, 19255697, 20340525, 25593015, 28476735, 36561450, 38511394, 40681050, 42655025, 47461225, 51186030, 56953470, 57767091, 85310050, 94922450, 96278485, 115534182, 127965075, 134789879, 142383675, 192556970, 255930150, 269579758, 284767350, 288835455, 404369637, 481392425, 577670910, 673949395, 808739274, 962784850, 1347898790, 1444177275, 2021848185, 2888354550, 3369746975, 4043696370, 6739493950, 10109240925, 20218481850]

約数ペア:

[(1, 20218481850), (2, 10109240925), (3, 6739493950), (5, 4043696370), (6, 3369746975), (7, 2888354550), (10, 2021848185), (14, 1444177275), (15, 1347898790), (21, 962784850), (25, 808739274), (30, 673949395), (35, 577670910), (42, 481392425), (50, 404369637), (70, 288835455), (71, 284767350), (75, 269579758), (79, 255930150), (105, 192556970), (142, 142383675), (150, 134789879), (158, 127965075), (175, 115534182), (210, 96278485), (213, 94922450), (237, 85310050), (350, 57767091), (355, 56953470), (395, 51186030), (426, 47461225), (474, 42655025), (497, 40681050), (525, 38511394), (553, 36561450), (710, 28476735), (790, 25593015), (994, 20340525), (1050, 19255697), (1065, 18984490), (1106, 18280725), (1185, 17062010), (1491, 13560350), (1659, 12187150), (1775, 11390694), (1975, 10237206), (2130, 9492245), (2370, 8531005), (2485, 8136210), (2765, 7312290), (2982, 6780175), (3318, 6093575), (3433, 5889450), (3550, 5695347), (3950, 5118603), (4970, 4068105), (5325, 3796898), (5530, 3656145), (5609, 3604650), (5925, 3412402), (6866, 2944725), (7455, 2712070), (8295, 2437430), (10299, 1963150), (10650, 1898449), (11218, 1802325), (11850, 1706201), (12425, 1627242), (13825, 1462458), (14910, 1356035), (16590, 1218715), (16827, 1201550), (17165, 1177890), (20598, 981575), (24031, 841350), (24850, 813621), (27650, 731229), (28045, 720930), (33654, 600775), (34330, 588945), (37275, 542414), (39263, 514950), (41475, 487486), (48062, 420675), (51495, 392630), (56090, 360465), (72093, 280450), (74550, 271207), (78526, 257475), (82950, 243743), (84135, 240310), (85825, 235578), (102990, 196315), (117789, 171650), (120155, 168270), (140225, 144186)]