20591118

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 28138482

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 59, 69, 118, 138, 177, 207, 281, 354, 414, 531, 562, 621, 843, 1062, 1242, 1357, 1593, 1686, 2529, 2714, 3186, 4071, 5058, 6463, 7587, 8142, 12213, 12926, 15174, 16579, 19389, 24426, 33158, 36639, 38778, 49737, 58167, 73278, 99474, 116334, 149211, 174501, 298422, 349002, 381317, 447633, 762634, 895266, 1143951, 2287902, 3431853, 6863706, 10295559, 20591118]

約数ペア:

[(1, 20591118), (2, 10295559), (3, 6863706), (6, 3431853), (9, 2287902), (18, 1143951), (23, 895266), (27, 762634), (46, 447633), (54, 381317), (59, 349002), (69, 298422), (118, 174501), (138, 149211), (177, 116334), (207, 99474), (281, 73278), (354, 58167), (414, 49737), (531, 38778), (562, 36639), (621, 33158), (843, 24426), (1062, 19389), (1242, 16579), (1357, 15174), (1593, 12926), (1686, 12213), (2529, 8142), (2714, 7587), (3186, 6463), (4071, 5058)]