20331540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1678

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45712620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 1637, 2070, 2484, 3105, 3274, 4140, 4911, 6210, 6548, 8185, 9822, 12420, 14733, 16370, 19644, 24555, 29466, 32740, 37651, 44199, 49110, 58932, 73665, 75302, 88398, 98220, 112953, 147330, 150604, 176796, 188255, 220995, 225906, 294660, 338859, 376510, 441990, 451812, 564765, 677718, 753020, 883980, 1016577, 1129530, 1355436, 1694295, 2033154, 2259060, 3388590, 4066308, 5082885, 6777180, 10165770, 20331540]

約数ペア:

[(1, 20331540), (2, 10165770), (3, 6777180), (4, 5082885), (5, 4066308), (6, 3388590), (9, 2259060), (10, 2033154), (12, 1694295), (15, 1355436), (18, 1129530), (20, 1016577), (23, 883980), (27, 753020), (30, 677718), (36, 564765), (45, 451812), (46, 441990), (54, 376510), (60, 338859), (69, 294660), (90, 225906), (92, 220995), (108, 188255), (115, 176796), (135, 150604), (138, 147330), (180, 112953), (207, 98220), (230, 88398), (270, 75302), (276, 73665), (345, 58932), (414, 49110), (460, 44199), (540, 37651), (621, 32740), (690, 29466), (828, 24555), (1035, 19644), (1242, 16370), (1380, 14733), (1637, 12420), (2070, 9822), (2484, 8185), (3105, 6548), (3274, 6210), (4140, 4911)]