20745311976

素因数分解:

$2^3\times 3^3\times {\mathrm{313}}^1\times {\mathrm{306847}}^1$

素因数の和:307175

約数の個数: 64

約数和(自身を含む): 57810163200

約数和(自身を除く): 37064851224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 313, 626, 939, 1252, 1878, 2504, 2817, 3756, 5634, 7512, 8451, 11268, 16902, 22536, 33804, 67608, 306847, 613694, 920541, 1227388, 1841082, 2454776, 2761623, 3682164, 5523246, 7364328, 8284869, 11046492, 16569738, 22092984, 33139476, 66278952, 96043111, 192086222, 288129333, 384172444, 576258666, 768344888, 864387999, 1152517332, 1728775998, 2305034664, 2593163997, 3457551996, 5186327994, 6915103992, 10372655988, 20745311976]

約数ペア:

[(1, 20745311976), (2, 10372655988), (3, 6915103992), (4, 5186327994), (6, 3457551996), (8, 2593163997), (9, 2305034664), (12, 1728775998), (18, 1152517332), (24, 864387999), (27, 768344888), (36, 576258666), (54, 384172444), (72, 288129333), (108, 192086222), (216, 96043111), (313, 66278952), (626, 33139476), (939, 22092984), (1252, 16569738), (1878, 11046492), (2504, 8284869), (2817, 7364328), (3756, 5523246), (5634, 3682164), (7512, 2761623), (8451, 2454776), (11268, 1841082), (16902, 1227388), (22536, 920541), (33804, 613694), (67608, 306847)]