20208840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2029}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 61387200

約数和(自身を除く): 41178360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2029, 2490, 3320, 4058, 4980, 6087, 8116, 9960, 10145, 12174, 16232, 20290, 24348, 30435, 40580, 48696, 60870, 81160, 121740, 168407, 243480, 336814, 505221, 673628, 842035, 1010442, 1347256, 1684070, 2020884, 2526105, 3368140, 4041768, 5052210, 6736280, 10104420, 20208840]

約数ペア:

[(1, 20208840), (2, 10104420), (3, 6736280), (4, 5052210), (5, 4041768), (6, 3368140), (8, 2526105), (10, 2020884), (12, 1684070), (15, 1347256), (20, 1010442), (24, 842035), (30, 673628), (40, 505221), (60, 336814), (83, 243480), (120, 168407), (166, 121740), (249, 81160), (332, 60870), (415, 48696), (498, 40580), (664, 30435), (830, 24348), (996, 20290), (1245, 16232), (1660, 12174), (1992, 10145), (2029, 9960), (2490, 8116), (3320, 6087), (4058, 4980)]