20156364

素因数分解:

$2^2\times 3^5\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 33504516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 233, 243, 267, 324, 356, 466, 486, 534, 699, 801, 932, 972, 1068, 1398, 1602, 2097, 2403, 2796, 3204, 4194, 4806, 6291, 7209, 8388, 9612, 12582, 14418, 18873, 20737, 21627, 25164, 28836, 37746, 41474, 43254, 56619, 62211, 75492, 82948, 86508, 113238, 124422, 186633, 226476, 248844, 373266, 559899, 746532, 1119798, 1679697, 2239596, 3359394, 5039091, 6718788, 10078182, 20156364]

約数ペア:

[(1, 20156364), (2, 10078182), (3, 6718788), (4, 5039091), (6, 3359394), (9, 2239596), (12, 1679697), (18, 1119798), (27, 746532), (36, 559899), (54, 373266), (81, 248844), (89, 226476), (108, 186633), (162, 124422), (178, 113238), (233, 86508), (243, 82948), (267, 75492), (324, 62211), (356, 56619), (466, 43254), (486, 41474), (534, 37746), (699, 28836), (801, 25164), (932, 21627), (972, 20737), (1068, 18873), (1398, 14418), (1602, 12582), (2097, 9612), (2403, 8388), (2796, 7209), (3204, 6291), (4194, 4806)]