20066475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 18931029

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1871, 2145, 3575, 5613, 9355, 10725, 20581, 24323, 28065, 46775, 61743, 72969, 102905, 121615, 140325, 267553, 308715, 364845, 514525, 608075, 802659, 1337765, 1543575, 1824225, 4013295, 6688825, 20066475]

約数ペア:

[(1, 20066475), (3, 6688825), (5, 4013295), (11, 1824225), (13, 1543575), (15, 1337765), (25, 802659), (33, 608075), (39, 514525), (55, 364845), (65, 308715), (75, 267553), (143, 140325), (165, 121615), (195, 102905), (275, 72969), (325, 61743), (429, 46775), (715, 28065), (825, 24323), (975, 20581), (1871, 10725), (2145, 9355), (3575, 5613)]