20171888928

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1628867}}^1$

素因数の和:1628926

約数の個数: 72

約数和(自身を含む): 58697887248

約数和(自身を除く): 38525998320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 1628867, 3257734, 4886601, 6515468, 9773202, 13030936, 14659803, 19546404, 26061872, 29319606, 39092808, 52123744, 58639212, 70041281, 78185616, 117278424, 140082562, 156371232, 210123843, 234556848, 280165124, 420247686, 469113696, 560330248, 630371529, 840495372, 1120660496, 1260743058, 1680990744, 2241320992, 2521486116, 3361981488, 5042972232, 6723962976, 10085944464, 20171888928]

約数ペア:

[(1, 20171888928), (2, 10085944464), (3, 6723962976), (4, 5042972232), (6, 3361981488), (8, 2521486116), (9, 2241320992), (12, 1680990744), (16, 1260743058), (18, 1120660496), (24, 840495372), (32, 630371529), (36, 560330248), (43, 469113696), (48, 420247686), (72, 280165124), (86, 234556848), (96, 210123843), (129, 156371232), (144, 140082562), (172, 117278424), (258, 78185616), (288, 70041281), (344, 58639212), (387, 52123744), (516, 39092808), (688, 29319606), (774, 26061872), (1032, 19546404), (1376, 14659803), (1548, 13030936), (2064, 9773202), (3096, 6515468), (4128, 4886601), (6192, 3257734), (12384, 1628867)]