20493360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28463}}^1$

素因数の和:28482

約数の個数: 60

約数和(自身を含む): 68825952

約数和(自身を除く): 48332592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28463, 56926, 85389, 113852, 142315, 170778, 227704, 256167, 284630, 341556, 426945, 455408, 512334, 569260, 683112, 853890, 1024668, 1138520, 1280835, 1366224, 1707780, 2049336, 2277040, 2561670, 3415560, 4098672, 5123340, 6831120, 10246680, 20493360]

約数ペア:

[(1, 20493360), (2, 10246680), (3, 6831120), (4, 5123340), (5, 4098672), (6, 3415560), (8, 2561670), (9, 2277040), (10, 2049336), (12, 1707780), (15, 1366224), (16, 1280835), (18, 1138520), (20, 1024668), (24, 853890), (30, 683112), (36, 569260), (40, 512334), (45, 455408), (48, 426945), (60, 341556), (72, 284630), (80, 256167), (90, 227704), (120, 170778), (144, 142315), (180, 113852), (240, 85389), (360, 56926), (720, 28463)]