20752160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 96

約数和(自身を含む): 57661632

約数和(自身を除く): 36909472

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 907, 1040, 1144, 1430, 1760, 1814, 2080, 2288, 2860, 3628, 4535, 4576, 5720, 7256, 9070, 9977, 11440, 11791, 14512, 18140, 19954, 22880, 23582, 29024, 36280, 39908, 47164, 49885, 58955, 72560, 79816, 94328, 99770, 117910, 129701, 145120, 159632, 188656, 199540, 235820, 259402, 319264, 377312, 399080, 471640, 518804, 648505, 798160, 943280, 1037608, 1297010, 1596320, 1886560, 2075216, 2594020, 4150432, 5188040, 10376080, 20752160]

約数ペア:

[(1, 20752160), (2, 10376080), (4, 5188040), (5, 4150432), (8, 2594020), (10, 2075216), (11, 1886560), (13, 1596320), (16, 1297010), (20, 1037608), (22, 943280), (26, 798160), (32, 648505), (40, 518804), (44, 471640), (52, 399080), (55, 377312), (65, 319264), (80, 259402), (88, 235820), (104, 199540), (110, 188656), (130, 159632), (143, 145120), (160, 129701), (176, 117910), (208, 99770), (220, 94328), (260, 79816), (286, 72560), (352, 58955), (416, 49885), (440, 47164), (520, 39908), (572, 36280), (715, 29024), (880, 23582), (907, 22880), (1040, 19954), (1144, 18140), (1430, 14512), (1760, 11791), (1814, 11440), (2080, 9977), (2288, 9070), (2860, 7256), (3628, 5720), (4535, 4576)]