19965360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2086

約数の個数: 80

約数和(自身を含む): 63433440

約数和(自身を除く): 43468080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2029, 2460, 3280, 4058, 4920, 6087, 8116, 9840, 10145, 12174, 16232, 20290, 24348, 30435, 32464, 40580, 48696, 60870, 81160, 83189, 97392, 121740, 162320, 166378, 243480, 249567, 332756, 415945, 486960, 499134, 665512, 831890, 998268, 1247835, 1331024, 1663780, 1996536, 2495670, 3327560, 3993072, 4991340, 6655120, 9982680, 19965360]

約数ペア:

[(1, 19965360), (2, 9982680), (3, 6655120), (4, 4991340), (5, 3993072), (6, 3327560), (8, 2495670), (10, 1996536), (12, 1663780), (15, 1331024), (16, 1247835), (20, 998268), (24, 831890), (30, 665512), (40, 499134), (41, 486960), (48, 415945), (60, 332756), (80, 249567), (82, 243480), (120, 166378), (123, 162320), (164, 121740), (205, 97392), (240, 83189), (246, 81160), (328, 60870), (410, 48696), (492, 40580), (615, 32464), (656, 30435), (820, 24348), (984, 20290), (1230, 16232), (1640, 12174), (1968, 10145), (2029, 9840), (2460, 8116), (3280, 6087), (4058, 4920)]