20685072

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 57863360

約数和(自身を除く): 37178288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 613, 703, 888, 912, 1226, 1406, 1776, 1839, 2109, 2452, 2812, 3678, 4218, 4904, 5624, 7356, 8436, 9808, 11248, 11647, 14712, 16872, 22681, 23294, 29424, 33744, 34941, 45362, 46588, 68043, 69882, 90724, 93176, 136086, 139764, 181448, 186352, 272172, 279528, 362896, 430939, 544344, 559056, 861878, 1088688, 1292817, 1723756, 2585634, 3447512, 5171268, 6895024, 10342536, 20685072]

約数ペア:

[(1, 20685072), (2, 10342536), (3, 6895024), (4, 5171268), (6, 3447512), (8, 2585634), (12, 1723756), (16, 1292817), (19, 1088688), (24, 861878), (37, 559056), (38, 544344), (48, 430939), (57, 362896), (74, 279528), (76, 272172), (111, 186352), (114, 181448), (148, 139764), (152, 136086), (222, 93176), (228, 90724), (296, 69882), (304, 68043), (444, 46588), (456, 45362), (592, 34941), (613, 33744), (703, 29424), (888, 23294), (912, 22681), (1226, 16872), (1406, 14712), (1776, 11647), (1839, 11248), (2109, 9808), (2452, 8436), (2812, 7356), (3678, 5624), (4218, 4904)]