20070960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:955

約数の個数: 160

約数和(自身を含む): 76661760

約数和(自身を除く): 56590800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 919, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 1838, 2184, 2730, 2757, 3120, 3640, 3676, 4368, 4595, 5460, 5514, 6433, 7280, 7352, 9190, 10920, 11028, 11947, 12866, 13785, 14704, 18380, 19299, 21840, 22056, 23894, 25732, 27570, 32165, 35841, 36760, 38598, 44112, 47788, 51464, 55140, 59735, 64330, 71682, 73520, 77196, 83629, 95576, 96495, 102928, 110280, 119470, 128660, 143364, 154392, 167258, 179205, 191152, 192990, 220560, 238940, 250887, 257320, 286728, 308784, 334516, 358410, 385980, 418145, 477880, 501774, 514640, 573456, 669032, 716820, 771960, 836290, 955760, 1003548, 1254435, 1338064, 1433640, 1543920, 1672580, 2007096, 2508870, 2867280, 3345160, 4014192, 5017740, 6690320, 10035480, 20070960]

約数ペア:

[(1, 20070960), (2, 10035480), (3, 6690320), (4, 5017740), (5, 4014192), (6, 3345160), (7, 2867280), (8, 2508870), (10, 2007096), (12, 1672580), (13, 1543920), (14, 1433640), (15, 1338064), (16, 1254435), (20, 1003548), (21, 955760), (24, 836290), (26, 771960), (28, 716820), (30, 669032), (35, 573456), (39, 514640), (40, 501774), (42, 477880), (48, 418145), (52, 385980), (56, 358410), (60, 334516), (65, 308784), (70, 286728), (78, 257320), (80, 250887), (84, 238940), (91, 220560), (104, 192990), (105, 191152), (112, 179205), (120, 167258), (130, 154392), (140, 143364), (156, 128660), (168, 119470), (182, 110280), (195, 102928), (208, 96495), (210, 95576), (240, 83629), (260, 77196), (273, 73520), (280, 71682), (312, 64330), (336, 59735), (364, 55140), (390, 51464), (420, 47788), (455, 44112), (520, 38598), (546, 36760), (560, 35841), (624, 32165), (728, 27570), (780, 25732), (840, 23894), (910, 22056), (919, 21840), (1040, 19299), (1092, 18380), (1365, 14704), (1456, 13785), (1560, 12866), (1680, 11947), (1820, 11028), (1838, 10920), (2184, 9190), (2730, 7352), (2757, 7280), (3120, 6433), (3640, 5514), (3676, 5460), (4368, 4595)]