20442600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 70581420

約数和(自身を除く): 50138820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 41, 45, 50, 60, 72, 75, 82, 90, 100, 120, 123, 150, 164, 180, 200, 205, 225, 246, 277, 300, 328, 360, 369, 410, 450, 492, 554, 600, 615, 738, 820, 831, 900, 984, 1025, 1108, 1230, 1385, 1476, 1640, 1662, 1800, 1845, 2050, 2216, 2460, 2493, 2770, 2952, 3075, 3324, 3690, 4100, 4155, 4920, 4986, 5540, 6150, 6648, 6925, 7380, 8200, 8310, 9225, 9972, 11080, 11357, 12300, 12465, 13850, 14760, 16620, 18450, 19944, 20775, 22714, 24600, 24930, 27700, 33240, 34071, 36900, 41550, 45428, 49860, 55400, 56785, 62325, 68142, 73800, 83100, 90856, 99720, 102213, 113570, 124650, 136284, 166200, 170355, 204426, 227140, 249300, 272568, 283925, 340710, 408852, 454280, 498600, 511065, 567850, 681420, 817704, 851775, 1022130, 1135700, 1362840, 1703550, 2044260, 2271400, 2555325, 3407100, 4088520, 5110650, 6814200, 10221300, 20442600]

約数ペア:

[(1, 20442600), (2, 10221300), (3, 6814200), (4, 5110650), (5, 4088520), (6, 3407100), (8, 2555325), (9, 2271400), (10, 2044260), (12, 1703550), (15, 1362840), (18, 1135700), (20, 1022130), (24, 851775), (25, 817704), (30, 681420), (36, 567850), (40, 511065), (41, 498600), (45, 454280), (50, 408852), (60, 340710), (72, 283925), (75, 272568), (82, 249300), (90, 227140), (100, 204426), (120, 170355), (123, 166200), (150, 136284), (164, 124650), (180, 113570), (200, 102213), (205, 99720), (225, 90856), (246, 83100), (277, 73800), (300, 68142), (328, 62325), (360, 56785), (369, 55400), (410, 49860), (450, 45428), (492, 41550), (554, 36900), (600, 34071), (615, 33240), (738, 27700), (820, 24930), (831, 24600), (900, 22714), (984, 20775), (1025, 19944), (1108, 18450), (1230, 16620), (1385, 14760), (1476, 13850), (1640, 12465), (1662, 12300), (1800, 11357), (1845, 11080), (2050, 9972), (2216, 9225), (2460, 8310), (2493, 8200), (2770, 7380), (2952, 6925), (3075, 6648), (3324, 6150), (3690, 5540), (4100, 4986), (4155, 4920)]