20687520976

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{241}}^1\times {\mathrm{29641}}^1$

素因数の和:30071

約数の個数: 40

約数和(自身を含む): 40472119688

約数和(自身を除く): 19784598712

約数列:

[1, 2, 4, 8, 16, 181, 241, 362, 482, 724, 964, 1448, 1928, 2896, 3856, 29641, 43621, 59282, 87242, 118564, 174484, 237128, 348968, 474256, 697936, 5365021, 7143481, 10730042, 14286962, 21460084, 28573924, 42920168, 57147848, 85840336, 114295696, 1292970061, 2585940122, 5171880244, 10343760488, 20687520976]

約数ペア:

[(1, 20687520976), (2, 10343760488), (4, 5171880244), (8, 2585940122), (16, 1292970061), (181, 114295696), (241, 85840336), (362, 57147848), (482, 42920168), (724, 28573924), (964, 21460084), (1448, 14286962), (1928, 10730042), (2896, 7143481), (3856, 5365021), (29641, 697936), (43621, 474256), (59282, 348968), (87242, 237128), (118564, 174484)]