20465400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1525

約数の個数: 96

約数和(自身を含む): 66245760

約数和(自身を除く): 45780360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 138, 150, 184, 200, 230, 276, 300, 345, 460, 552, 575, 600, 690, 920, 1150, 1380, 1483, 1725, 2300, 2760, 2966, 3450, 4449, 4600, 5932, 6900, 7415, 8898, 11864, 13800, 14830, 17796, 22245, 29660, 34109, 35592, 37075, 44490, 59320, 68218, 74150, 88980, 102327, 111225, 136436, 148300, 170545, 177960, 204654, 222450, 272872, 296600, 341090, 409308, 444900, 511635, 682180, 818616, 852725, 889800, 1023270, 1364360, 1705450, 2046540, 2558175, 3410900, 4093080, 5116350, 6821800, 10232700, 20465400]

約数ペア:

[(1, 20465400), (2, 10232700), (3, 6821800), (4, 5116350), (5, 4093080), (6, 3410900), (8, 2558175), (10, 2046540), (12, 1705450), (15, 1364360), (20, 1023270), (23, 889800), (24, 852725), (25, 818616), (30, 682180), (40, 511635), (46, 444900), (50, 409308), (60, 341090), (69, 296600), (75, 272872), (92, 222450), (100, 204654), (115, 177960), (120, 170545), (138, 148300), (150, 136436), (184, 111225), (200, 102327), (230, 88980), (276, 74150), (300, 68218), (345, 59320), (460, 44490), (552, 37075), (575, 35592), (600, 34109), (690, 29660), (920, 22245), (1150, 17796), (1380, 14830), (1483, 13800), (1725, 11864), (2300, 8898), (2760, 7415), (2966, 6900), (3450, 5932), (4449, 4600)]