20638176

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:768

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 40325664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 69, 78, 92, 96, 104, 138, 156, 184, 208, 276, 299, 312, 368, 416, 552, 598, 624, 719, 736, 897, 1104, 1196, 1248, 1438, 1794, 2157, 2208, 2392, 2876, 3588, 4314, 4784, 5752, 7176, 8628, 9347, 9568, 11504, 14352, 16537, 17256, 18694, 23008, 28041, 28704, 33074, 34512, 37388, 49611, 56082, 66148, 69024, 74776, 99222, 112164, 132296, 149552, 198444, 214981, 224328, 264592, 299104, 396888, 429962, 448656, 529184, 644943, 793776, 859924, 897312, 1289886, 1587552, 1719848, 2579772, 3439696, 5159544, 6879392, 10319088, 20638176]

約数ペア:

[(1, 20638176), (2, 10319088), (3, 6879392), (4, 5159544), (6, 3439696), (8, 2579772), (12, 1719848), (13, 1587552), (16, 1289886), (23, 897312), (24, 859924), (26, 793776), (32, 644943), (39, 529184), (46, 448656), (48, 429962), (52, 396888), (69, 299104), (78, 264592), (92, 224328), (96, 214981), (104, 198444), (138, 149552), (156, 132296), (184, 112164), (208, 99222), (276, 74776), (299, 69024), (312, 66148), (368, 56082), (416, 49611), (552, 37388), (598, 34512), (624, 33074), (719, 28704), (736, 28041), (897, 23008), (1104, 18694), (1196, 17256), (1248, 16537), (1438, 14352), (1794, 11504), (2157, 9568), (2208, 9347), (2392, 8628), (2876, 7176), (3588, 5752), (4314, 4784)]