20128490085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{221399}}^1$

素因数の和:221466

約数の個数: 64

約数和(自身を含む): 38257920000

約数和(自身を除く): 18129429915

約数列:

[1, 3, 5, 11, 15, 19, 29, 33, 55, 57, 87, 95, 145, 165, 209, 285, 319, 435, 551, 627, 957, 1045, 1595, 1653, 2755, 3135, 4785, 6061, 8265, 18183, 30305, 90915, 221399, 664197, 1106995, 2435389, 3320985, 4206581, 6420571, 7306167, 12176945, 12619743, 19261713, 21032905, 32102855, 36530835, 46272391, 63098715, 70626281, 96308565, 121990849, 138817173, 211878843, 231361955, 353131405, 365972547, 609954245, 694085865, 1059394215, 1341899339, 1829862735, 4025698017, 6709496695, 20128490085]

約数ペア:

[(1, 20128490085), (3, 6709496695), (5, 4025698017), (11, 1829862735), (15, 1341899339), (19, 1059394215), (29, 694085865), (33, 609954245), (55, 365972547), (57, 353131405), (87, 231361955), (95, 211878843), (145, 138817173), (165, 121990849), (209, 96308565), (285, 70626281), (319, 63098715), (435, 46272391), (551, 36530835), (627, 32102855), (957, 21032905), (1045, 19261713), (1595, 12619743), (1653, 12176945), (2755, 7306167), (3135, 6420571), (4785, 4206581), (6061, 3320985), (8265, 2435389), (18183, 1106995), (30305, 664197), (90915, 221399)]