20312250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 59844096

約数和(自身を除く): 39531846

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 53, 70, 73, 75, 105, 106, 125, 146, 150, 159, 175, 210, 219, 250, 265, 318, 350, 365, 371, 375, 438, 511, 525, 530, 730, 742, 750, 795, 875, 1022, 1050, 1095, 1113, 1325, 1533, 1590, 1750, 1825, 1855, 2190, 2226, 2555, 2625, 2650, 3066, 3650, 3710, 3869, 3975, 5110, 5250, 5475, 5565, 6625, 7665, 7738, 7950, 9125, 9275, 10950, 11130, 11607, 12775, 13250, 15330, 18250, 18550, 19345, 19875, 23214, 25550, 27083, 27375, 27825, 38325, 38690, 39750, 46375, 54166, 54750, 55650, 58035, 63875, 76650, 81249, 92750, 96725, 116070, 127750, 135415, 139125, 162498, 191625, 193450, 270830, 278250, 290175, 383250, 406245, 483625, 580350, 677075, 812490, 967250, 1354150, 1450875, 2031225, 2901750, 3385375, 4062450, 6770750, 10156125, 20312250]

約数ペア:

[(1, 20312250), (2, 10156125), (3, 6770750), (5, 4062450), (6, 3385375), (7, 2901750), (10, 2031225), (14, 1450875), (15, 1354150), (21, 967250), (25, 812490), (30, 677075), (35, 580350), (42, 483625), (50, 406245), (53, 383250), (70, 290175), (73, 278250), (75, 270830), (105, 193450), (106, 191625), (125, 162498), (146, 139125), (150, 135415), (159, 127750), (175, 116070), (210, 96725), (219, 92750), (250, 81249), (265, 76650), (318, 63875), (350, 58035), (365, 55650), (371, 54750), (375, 54166), (438, 46375), (511, 39750), (525, 38690), (530, 38325), (730, 27825), (742, 27375), (750, 27083), (795, 25550), (875, 23214), (1022, 19875), (1050, 19345), (1095, 18550), (1113, 18250), (1325, 15330), (1533, 13250), (1590, 12775), (1750, 11607), (1825, 11130), (1855, 10950), (2190, 9275), (2226, 9125), (2555, 7950), (2625, 7738), (2650, 7665), (3066, 6625), (3650, 5565), (3710, 5475), (3869, 5250), (3975, 5110)]