20841450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:908

約数の個数: 96

約数和(自身を含む): 61710336

約数和(自身を除く): 40868886

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 25, 30, 35, 42, 46, 50, 69, 70, 75, 105, 115, 138, 150, 161, 175, 210, 230, 322, 345, 350, 483, 525, 575, 690, 805, 863, 966, 1050, 1150, 1610, 1725, 1726, 2415, 2589, 3450, 4025, 4315, 4830, 5178, 6041, 8050, 8630, 12075, 12082, 12945, 18123, 19849, 21575, 24150, 25890, 30205, 36246, 39698, 43150, 59547, 60410, 64725, 90615, 99245, 119094, 129450, 138943, 151025, 181230, 198490, 277886, 297735, 302050, 416829, 453075, 496225, 595470, 694715, 833658, 906150, 992450, 1389430, 1488675, 2084145, 2977350, 3473575, 4168290, 6947150, 10420725, 20841450]

約数ペア:

[(1, 20841450), (2, 10420725), (3, 6947150), (5, 4168290), (6, 3473575), (7, 2977350), (10, 2084145), (14, 1488675), (15, 1389430), (21, 992450), (23, 906150), (25, 833658), (30, 694715), (35, 595470), (42, 496225), (46, 453075), (50, 416829), (69, 302050), (70, 297735), (75, 277886), (105, 198490), (115, 181230), (138, 151025), (150, 138943), (161, 129450), (175, 119094), (210, 99245), (230, 90615), (322, 64725), (345, 60410), (350, 59547), (483, 43150), (525, 39698), (575, 36246), (690, 30205), (805, 25890), (863, 24150), (966, 21575), (1050, 19849), (1150, 18123), (1610, 12945), (1725, 12082), (1726, 12075), (2415, 8630), (2589, 8050), (3450, 6041), (4025, 5178), (4315, 4830)]