20886840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4463}}^1$

素因数の和:4493

約数の個数: 96

約数和(自身を含む): 73120320

約数和(自身を除く): 52233480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4463, 4680, 8926, 13389, 17852, 22315, 26778, 35704, 40167, 44630, 53556, 58019, 66945, 80334, 89260, 107112, 116038, 133890, 160668, 174057, 178520, 200835, 232076, 267780, 290095, 321336, 348114, 401670, 464152, 522171, 535560, 580190, 696228, 803340, 870285, 1044342, 1160380, 1392456, 1606680, 1740570, 2088684, 2320760, 2610855, 3481140, 4177368, 5221710, 6962280, 10443420, 20886840]

約数ペア:

[(1, 20886840), (2, 10443420), (3, 6962280), (4, 5221710), (5, 4177368), (6, 3481140), (8, 2610855), (9, 2320760), (10, 2088684), (12, 1740570), (13, 1606680), (15, 1392456), (18, 1160380), (20, 1044342), (24, 870285), (26, 803340), (30, 696228), (36, 580190), (39, 535560), (40, 522171), (45, 464152), (52, 401670), (60, 348114), (65, 321336), (72, 290095), (78, 267780), (90, 232076), (104, 200835), (117, 178520), (120, 174057), (130, 160668), (156, 133890), (180, 116038), (195, 107112), (234, 89260), (260, 80334), (312, 66945), (360, 58019), (390, 53556), (468, 44630), (520, 40167), (585, 35704), (780, 26778), (936, 22315), (1170, 17852), (1560, 13389), (2340, 8926), (4463, 4680)]