20797717318

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1427}}^1\times {\mathrm{25391}}^1$

素因数の和:26868

約数の個数: 32

約数和(自身を含む): 36549854208

約数和(自身を除く): 15752136890

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 1427, 2854, 9989, 19978, 25391, 50782, 58507, 117014, 177737, 355474, 409549, 819098, 1041031, 2082062, 7287217, 14574434, 36232957, 72465914, 253630699, 507261398, 1485551237, 2971102474, 10398858659, 20797717318]

約数ペア:

[(1, 20797717318), (2, 10398858659), (7, 2971102474), (14, 1485551237), (41, 507261398), (82, 253630699), (287, 72465914), (574, 36232957), (1427, 14574434), (2854, 7287217), (9989, 2082062), (19978, 1041031), (25391, 819098), (50782, 409549), (58507, 355474), (117014, 177737)]