20205760

素因数分解:

$2^6\times 5^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 48499776

約数和(自身を除く): 28294016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 233, 271, 320, 466, 542, 932, 1084, 1165, 1355, 1864, 2168, 2330, 2710, 3728, 4336, 4660, 5420, 7456, 8672, 9320, 10840, 14912, 17344, 18640, 21680, 37280, 43360, 63143, 74560, 86720, 126286, 252572, 315715, 505144, 631430, 1010288, 1262860, 2020576, 2525720, 4041152, 5051440, 10102880, 20205760]

約数ペア:

[(1, 20205760), (2, 10102880), (4, 5051440), (5, 4041152), (8, 2525720), (10, 2020576), (16, 1262860), (20, 1010288), (32, 631430), (40, 505144), (64, 315715), (80, 252572), (160, 126286), (233, 86720), (271, 74560), (320, 63143), (466, 43360), (542, 37280), (932, 21680), (1084, 18640), (1165, 17344), (1355, 14912), (1864, 10840), (2168, 9320), (2330, 8672), (2710, 7456), (3728, 5420), (4336, 4660)]