20178677325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{18119}}^1$

素因数の和:18642

約数の個数: 48

約数和(自身を含む): 34512076800

約数和(自身を除く): 14333399475

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 479, 775, 1437, 2325, 2395, 7185, 11975, 14849, 18119, 35925, 44547, 54357, 74245, 90595, 222735, 271785, 371225, 452975, 561689, 1113675, 1358925, 1685067, 2808445, 8425335, 8679001, 14042225, 26037003, 42126675, 43395005, 130185015, 216975025, 269049031, 650925075, 807147093, 1345245155, 4035735465, 6726225775, 20178677325]

約数ペア:

[(1, 20178677325), (3, 6726225775), (5, 4035735465), (15, 1345245155), (25, 807147093), (31, 650925075), (75, 269049031), (93, 216975025), (155, 130185015), (465, 43395005), (479, 42126675), (775, 26037003), (1437, 14042225), (2325, 8679001), (2395, 8425335), (7185, 2808445), (11975, 1685067), (14849, 1358925), (18119, 1113675), (35925, 561689), (44547, 452975), (54357, 371225), (74245, 271785), (90595, 222735)]