20341936888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{353699}}^1$

素因数の和:353804

約数の個数: 64

約数和(自身を含む): 47537280000

約数和(自身を除く): 27195343112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 553, 632, 728, 1027, 1106, 2054, 2212, 4108, 4424, 7189, 8216, 14378, 28756, 57512, 353699, 707398, 1414796, 2475893, 2829592, 4598087, 4951786, 9196174, 9903572, 18392348, 19807144, 27942221, 32186609, 36784696, 55884442, 64373218, 111768884, 128746436, 195595547, 223537768, 257492872, 363248873, 391191094, 726497746, 782382188, 1452995492, 1564764376, 2542742111, 2905990984, 5085484222, 10170968444, 20341936888]

約数ペア:

[(1, 20341936888), (2, 10170968444), (4, 5085484222), (7, 2905990984), (8, 2542742111), (13, 1564764376), (14, 1452995492), (26, 782382188), (28, 726497746), (52, 391191094), (56, 363248873), (79, 257492872), (91, 223537768), (104, 195595547), (158, 128746436), (182, 111768884), (316, 64373218), (364, 55884442), (553, 36784696), (632, 32186609), (728, 27942221), (1027, 19807144), (1106, 18392348), (2054, 9903572), (2212, 9196174), (4108, 4951786), (4424, 4598087), (7189, 2829592), (8216, 2475893), (14378, 1414796), (28756, 707398), (57512, 353699)]