20605416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 55917120

約数和(自身を除く): 35311704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 211, 312, 313, 422, 626, 633, 844, 939, 1252, 1266, 1688, 1878, 2504, 2532, 2743, 3756, 4069, 5064, 5486, 7512, 8138, 8229, 10972, 12207, 16276, 16458, 21944, 24414, 32552, 32916, 48828, 65832, 66043, 97656, 132086, 198129, 264172, 396258, 528344, 792516, 858559, 1585032, 1717118, 2575677, 3434236, 5151354, 6868472, 10302708, 20605416]

約数ペア:

[(1, 20605416), (2, 10302708), (3, 6868472), (4, 5151354), (6, 3434236), (8, 2575677), (12, 1717118), (13, 1585032), (24, 858559), (26, 792516), (39, 528344), (52, 396258), (78, 264172), (104, 198129), (156, 132086), (211, 97656), (312, 66043), (313, 65832), (422, 48828), (626, 32916), (633, 32552), (844, 24414), (939, 21944), (1252, 16458), (1266, 16276), (1688, 12207), (1878, 10972), (2504, 8229), (2532, 8138), (2743, 7512), (3756, 5486), (4069, 5064)]