20171808

素因数分解:

$2^5\times 3^3\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 60520320

約数和(自身を除く): 40348512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 96, 108, 111, 144, 148, 216, 222, 288, 296, 333, 432, 444, 592, 631, 666, 864, 888, 999, 1184, 1262, 1332, 1776, 1893, 1998, 2524, 2664, 3552, 3786, 3996, 5048, 5328, 5679, 7572, 7992, 10096, 10656, 11358, 15144, 15984, 17037, 20192, 22716, 23347, 30288, 31968, 34074, 45432, 46694, 60576, 68148, 70041, 90864, 93388, 136296, 140082, 181728, 186776, 210123, 272592, 280164, 373552, 420246, 545184, 560328, 630369, 747104, 840492, 1120656, 1260738, 1680984, 2241312, 2521476, 3361968, 5042952, 6723936, 10085904, 20171808]

約数ペア:

[(1, 20171808), (2, 10085904), (3, 6723936), (4, 5042952), (6, 3361968), (8, 2521476), (9, 2241312), (12, 1680984), (16, 1260738), (18, 1120656), (24, 840492), (27, 747104), (32, 630369), (36, 560328), (37, 545184), (48, 420246), (54, 373552), (72, 280164), (74, 272592), (96, 210123), (108, 186776), (111, 181728), (144, 140082), (148, 136296), (216, 93388), (222, 90864), (288, 70041), (296, 68148), (333, 60576), (432, 46694), (444, 45432), (592, 34074), (631, 31968), (666, 30288), (864, 23347), (888, 22716), (999, 20192), (1184, 17037), (1262, 15984), (1332, 15144), (1776, 11358), (1893, 10656), (1998, 10096), (2524, 7992), (2664, 7572), (3552, 5679), (3786, 5328), (3996, 5048)]