20459100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 60496128

約数和(自身を除く): 40037028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 94, 100, 141, 150, 188, 235, 282, 300, 470, 564, 705, 940, 1175, 1410, 1451, 2350, 2820, 2902, 3525, 4353, 4700, 5804, 7050, 7255, 8706, 14100, 14510, 17412, 21765, 29020, 36275, 43530, 68197, 72550, 87060, 108825, 136394, 145100, 204591, 217650, 272788, 340985, 409182, 435300, 681970, 818364, 1022955, 1363940, 1704925, 2045910, 3409850, 4091820, 5114775, 6819700, 10229550, 20459100]

約数ペア:

[(1, 20459100), (2, 10229550), (3, 6819700), (4, 5114775), (5, 4091820), (6, 3409850), (10, 2045910), (12, 1704925), (15, 1363940), (20, 1022955), (25, 818364), (30, 681970), (47, 435300), (50, 409182), (60, 340985), (75, 272788), (94, 217650), (100, 204591), (141, 145100), (150, 136394), (188, 108825), (235, 87060), (282, 72550), (300, 68197), (470, 43530), (564, 36275), (705, 29020), (940, 21765), (1175, 17412), (1410, 14510), (1451, 14100), (2350, 8706), (2820, 7255), (2902, 7050), (3525, 5804), (4353, 4700)]