20121388284

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{314063}}^1$

素因数の和:314370

約数の個数: 48

約数和(自身を含む): 49596986880

約数和(自身を除く): 29475598596

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 281, 562, 843, 1124, 1686, 3372, 5339, 10678, 16017, 21356, 32034, 64068, 314063, 628126, 942189, 1256252, 1884378, 3768756, 5967197, 11934394, 17901591, 23868788, 35803182, 71606364, 88251703, 176503406, 264755109, 353006812, 529510218, 1059020436, 1676782357, 3353564714, 5030347071, 6707129428, 10060694142, 20121388284]

約数ペア:

[(1, 20121388284), (2, 10060694142), (3, 6707129428), (4, 5030347071), (6, 3353564714), (12, 1676782357), (19, 1059020436), (38, 529510218), (57, 353006812), (76, 264755109), (114, 176503406), (228, 88251703), (281, 71606364), (562, 35803182), (843, 23868788), (1124, 17901591), (1686, 11934394), (3372, 5967197), (5339, 3768756), (10678, 1884378), (16017, 1256252), (21356, 942189), (32034, 628126), (64068, 314063)]