20123584383

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1\times {\mathrm{17417}}^1$

素因数の和:18951

約数の個数: 32

約数和(自身を含む): 31516268544

約数和(自身を除く): 11392684161

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1487, 4461, 10409, 17417, 31227, 52251, 55019, 121919, 165057, 365757, 385133, 644429, 1155399, 1933287, 4511003, 13533009, 25899079, 77697237, 181293553, 543880659, 958265923, 2874797769, 6707861461, 20123584383]

約数ペア:

[(1, 20123584383), (3, 6707861461), (7, 2874797769), (21, 958265923), (37, 543880659), (111, 181293553), (259, 77697237), (777, 25899079), (1487, 13533009), (4461, 4511003), (10409, 1933287), (17417, 1155399), (31227, 644429), (52251, 385133), (55019, 365757), (121919, 165057)]