20740300980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{187763}}^1$

素因数の和:188045

約数の個数: 96

約数和(自身を含む): 66621671424

約数和(自身を除く): 45881370444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 420, 526, 789, 1052, 1315, 1578, 1841, 2630, 3156, 3682, 3945, 5260, 5523, 7364, 7890, 9205, 11046, 15780, 18410, 22092, 27615, 36820, 55230, 110460, 187763, 375526, 563289, 751052, 938815, 1126578, 1314341, 1877630, 2253156, 2628682, 2816445, 3755260, 3943023, 5257364, 5632890, 6571705, 7886046, 11265780, 13143410, 15772092, 19715115, 26286820, 39430230, 49381669, 78860460, 98763338, 148145007, 197526676, 246908345, 296290014, 345671683, 493816690, 592580028, 691343366, 740725035, 987633380, 1037015049, 1382686732, 1481450070, 1728358415, 2074030098, 2962900140, 3456716830, 4148060196, 5185075245, 6913433660, 10370150490, 20740300980]

約数ペア:

[(1, 20740300980), (2, 10370150490), (3, 6913433660), (4, 5185075245), (5, 4148060196), (6, 3456716830), (7, 2962900140), (10, 2074030098), (12, 1728358415), (14, 1481450070), (15, 1382686732), (20, 1037015049), (21, 987633380), (28, 740725035), (30, 691343366), (35, 592580028), (42, 493816690), (60, 345671683), (70, 296290014), (84, 246908345), (105, 197526676), (140, 148145007), (210, 98763338), (263, 78860460), (420, 49381669), (526, 39430230), (789, 26286820), (1052, 19715115), (1315, 15772092), (1578, 13143410), (1841, 11265780), (2630, 7886046), (3156, 6571705), (3682, 5632890), (3945, 5257364), (5260, 3943023), (5523, 3755260), (7364, 2816445), (7890, 2628682), (9205, 2253156), (11046, 1877630), (15780, 1314341), (18410, 1126578), (22092, 938815), (27615, 751052), (36820, 563289), (55230, 375526), (110460, 187763)]