20375360

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1611

約数の個数: 56

約数和(自身を含む): 49734216

約数和(自身を除く): 29358856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1553, 1640, 2624, 3106, 3280, 6212, 6560, 7765, 12424, 13120, 15530, 24848, 31060, 49696, 62120, 63673, 99392, 124240, 127346, 248480, 254692, 318365, 496960, 509384, 636730, 1018768, 1273460, 2037536, 2546920, 4075072, 5093840, 10187680, 20375360]

約数ペア:

[(1, 20375360), (2, 10187680), (4, 5093840), (5, 4075072), (8, 2546920), (10, 2037536), (16, 1273460), (20, 1018768), (32, 636730), (40, 509384), (41, 496960), (64, 318365), (80, 254692), (82, 248480), (160, 127346), (164, 124240), (205, 99392), (320, 63673), (328, 62120), (410, 49696), (656, 31060), (820, 24848), (1312, 15530), (1553, 13120), (1640, 12424), (2624, 7765), (3106, 6560), (3280, 6212)]