20036450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 47139840

約数和(自身を除く): 27103390

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 35, 38, 46, 50, 70, 95, 115, 131, 133, 161, 175, 190, 230, 262, 266, 322, 350, 437, 475, 575, 655, 665, 805, 874, 917, 950, 1150, 1310, 1330, 1610, 1834, 2185, 2489, 3013, 3059, 3275, 3325, 4025, 4370, 4585, 4978, 6026, 6118, 6550, 6650, 8050, 9170, 10925, 12445, 15065, 15295, 17423, 21091, 21850, 22925, 24890, 30130, 30590, 34846, 42182, 45850, 57247, 62225, 75325, 76475, 87115, 105455, 114494, 124450, 150650, 152950, 174230, 210910, 286235, 400729, 435575, 527275, 572470, 801458, 871150, 1054550, 1431175, 2003645, 2862350, 4007290, 10018225, 20036450]

約数ペア:

[(1, 20036450), (2, 10018225), (5, 4007290), (7, 2862350), (10, 2003645), (14, 1431175), (19, 1054550), (23, 871150), (25, 801458), (35, 572470), (38, 527275), (46, 435575), (50, 400729), (70, 286235), (95, 210910), (115, 174230), (131, 152950), (133, 150650), (161, 124450), (175, 114494), (190, 105455), (230, 87115), (262, 76475), (266, 75325), (322, 62225), (350, 57247), (437, 45850), (475, 42182), (575, 34846), (655, 30590), (665, 30130), (805, 24890), (874, 22925), (917, 21850), (950, 21091), (1150, 17423), (1310, 15295), (1330, 15065), (1610, 12445), (1834, 10925), (2185, 9170), (2489, 8050), (3013, 6650), (3059, 6550), (3275, 6118), (3325, 6026), (4025, 4978), (4370, 4585)]