20683669264

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{404357}}^1$

素因数の和:404527

約数の個数: 40

約数和(自身を含む): 42117929280

約数和(自身を除く): 21434260016

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 556, 1112, 2224, 3197, 6394, 12788, 25576, 51152, 404357, 808714, 1617428, 3234856, 6469712, 9300211, 18600422, 37200844, 56205623, 74401688, 112411246, 148803376, 224822492, 449644984, 899289968, 1292729329, 2585458658, 5170917316, 10341834632, 20683669264]

約数ペア:

[(1, 20683669264), (2, 10341834632), (4, 5170917316), (8, 2585458658), (16, 1292729329), (23, 899289968), (46, 449644984), (92, 224822492), (139, 148803376), (184, 112411246), (278, 74401688), (368, 56205623), (556, 37200844), (1112, 18600422), (2224, 9300211), (3197, 6469712), (6394, 3234856), (12788, 1617428), (25576, 808714), (51152, 404357)]