20751288

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 55429920

約数和(自身を除く): 34678632

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 181, 204, 281, 362, 408, 543, 562, 724, 843, 1086, 1124, 1448, 1686, 2172, 2248, 3077, 3372, 4344, 4777, 6154, 6744, 9231, 9554, 12308, 14331, 18462, 19108, 24616, 28662, 36924, 38216, 50861, 57324, 73848, 101722, 114648, 152583, 203444, 305166, 406888, 610332, 864637, 1220664, 1729274, 2593911, 3458548, 5187822, 6917096, 10375644, 20751288]

約数ペア:

[(1, 20751288), (2, 10375644), (3, 6917096), (4, 5187822), (6, 3458548), (8, 2593911), (12, 1729274), (17, 1220664), (24, 864637), (34, 610332), (51, 406888), (68, 305166), (102, 203444), (136, 152583), (181, 114648), (204, 101722), (281, 73848), (362, 57324), (408, 50861), (543, 38216), (562, 36924), (724, 28662), (843, 24616), (1086, 19108), (1124, 18462), (1448, 14331), (1686, 12308), (2172, 9554), (2248, 9231), (3077, 6744), (3372, 6154), (4344, 4777)]