20851110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1482

約数の個数: 96

約数和(自身を含む): 64696320

約数和(自身を除く): 43845210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1439, 1449, 1610, 2070, 2415, 2878, 2898, 4317, 4830, 7195, 7245, 8634, 10073, 12951, 14390, 14490, 20146, 21585, 25902, 30219, 33097, 43170, 50365, 60438, 64755, 66194, 90657, 99291, 100730, 129510, 151095, 165485, 181314, 198582, 231679, 297873, 302190, 330970, 453285, 463358, 496455, 595746, 695037, 906570, 992910, 1158395, 1390074, 1489365, 2085111, 2316790, 2978730, 3475185, 4170222, 6950370, 10425555, 20851110]

約数ペア:

[(1, 20851110), (2, 10425555), (3, 6950370), (5, 4170222), (6, 3475185), (7, 2978730), (9, 2316790), (10, 2085111), (14, 1489365), (15, 1390074), (18, 1158395), (21, 992910), (23, 906570), (30, 695037), (35, 595746), (42, 496455), (45, 463358), (46, 453285), (63, 330970), (69, 302190), (70, 297873), (90, 231679), (105, 198582), (115, 181314), (126, 165485), (138, 151095), (161, 129510), (207, 100730), (210, 99291), (230, 90657), (315, 66194), (322, 64755), (345, 60438), (414, 50365), (483, 43170), (630, 33097), (690, 30219), (805, 25902), (966, 21585), (1035, 20146), (1439, 14490), (1449, 14390), (1610, 12951), (2070, 10073), (2415, 8634), (2878, 7245), (2898, 7195), (4317, 4830)]