20319216

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 57165984

約数和(自身を除く): 36846768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 48, 51, 68, 74, 102, 111, 136, 148, 204, 222, 272, 296, 408, 444, 592, 629, 673, 816, 888, 1258, 1346, 1776, 1887, 2019, 2516, 2692, 3774, 4038, 5032, 5384, 7548, 8076, 10064, 10768, 11441, 15096, 16152, 22882, 24901, 30192, 32304, 34323, 45764, 49802, 68646, 74703, 91528, 99604, 137292, 149406, 183056, 199208, 274584, 298812, 398416, 423317, 549168, 597624, 846634, 1195248, 1269951, 1693268, 2539902, 3386536, 5079804, 6773072, 10159608, 20319216]

約数ペア:

[(1, 20319216), (2, 10159608), (3, 6773072), (4, 5079804), (6, 3386536), (8, 2539902), (12, 1693268), (16, 1269951), (17, 1195248), (24, 846634), (34, 597624), (37, 549168), (48, 423317), (51, 398416), (68, 298812), (74, 274584), (102, 199208), (111, 183056), (136, 149406), (148, 137292), (204, 99604), (222, 91528), (272, 74703), (296, 68646), (408, 49802), (444, 45764), (592, 34323), (629, 32304), (673, 30192), (816, 24901), (888, 22882), (1258, 16152), (1346, 15096), (1776, 11441), (1887, 10768), (2019, 10064), (2516, 8076), (2692, 7548), (3774, 5384), (4038, 5032)]