20122079985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{2521}}^1\times {\mathrm{25339}}^1$

素因数の和:27878

約数の個数: 48

約数和(自身を含む): 39878267520

約数和(自身を除く): 19756187535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 2521, 7563, 12605, 17647, 22689, 25339, 37815, 52941, 76017, 88235, 113445, 126695, 158823, 177373, 228051, 264705, 380085, 532119, 794115, 886865, 1140255, 1596357, 2660595, 7981785, 63879619, 191638857, 319398095, 447157333, 574916571, 958194285, 1341471999, 2235786665, 2874582855, 4024415997, 6707359995, 20122079985]

約数ペア:

[(1, 20122079985), (3, 6707359995), (5, 4024415997), (7, 2874582855), (9, 2235786665), (15, 1341471999), (21, 958194285), (35, 574916571), (45, 447157333), (63, 319398095), (105, 191638857), (315, 63879619), (2521, 7981785), (7563, 2660595), (12605, 1596357), (17647, 1140255), (22689, 886865), (25339, 794115), (37815, 532119), (52941, 380085), (76017, 264705), (88235, 228051), (113445, 177373), (126695, 158823)]