20947956

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 52147200

約数和(自身を除く): 31199244

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 114, 158, 228, 237, 316, 474, 948, 1163, 1501, 2326, 3002, 3489, 4503, 4652, 6004, 6978, 9006, 13956, 18012, 22097, 44194, 66291, 88388, 91877, 132582, 183754, 265164, 275631, 367508, 551262, 1102524, 1745663, 3491326, 5236989, 6982652, 10473978, 20947956]

約数ペア:

[(1, 20947956), (2, 10473978), (3, 6982652), (4, 5236989), (6, 3491326), (12, 1745663), (19, 1102524), (38, 551262), (57, 367508), (76, 275631), (79, 265164), (114, 183754), (158, 132582), (228, 91877), (237, 88388), (316, 66291), (474, 44194), (948, 22097), (1163, 18012), (1501, 13956), (2326, 9006), (3002, 6978), (3489, 6004), (4503, 4652)]