20221568672

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{811199}}^1$

素因数の和:811269

約数の個数: 48

約数和(自身を含む): 42928704000

約数和(自身を除く): 22707135328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 1312, 1558, 3116, 6232, 12464, 24928, 811199, 1622398, 3244796, 6489592, 12979184, 15412781, 25958368, 30825562, 33259159, 61651124, 66518318, 123302248, 133036636, 246604496, 266073272, 493208992, 532146544, 631924021, 1064293088, 1263848042, 2527696084, 5055392168, 10110784336, 20221568672]

約数ペア:

[(1, 20221568672), (2, 10110784336), (4, 5055392168), (8, 2527696084), (16, 1263848042), (19, 1064293088), (32, 631924021), (38, 532146544), (41, 493208992), (76, 266073272), (82, 246604496), (152, 133036636), (164, 123302248), (304, 66518318), (328, 61651124), (608, 33259159), (656, 30825562), (779, 25958368), (1312, 15412781), (1558, 12979184), (3116, 6489592), (6232, 3244796), (12464, 1622398), (24928, 811199)]