20718816

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 38269344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 74, 76, 96, 111, 114, 148, 152, 222, 228, 296, 304, 307, 444, 456, 592, 608, 614, 703, 888, 912, 921, 1184, 1228, 1406, 1776, 1824, 1842, 2109, 2456, 2812, 3552, 3684, 4218, 4912, 5624, 5833, 7368, 8436, 9824, 11248, 11359, 11666, 14736, 16872, 17499, 22496, 22718, 23332, 29472, 33744, 34077, 34998, 45436, 46664, 67488, 68154, 69996, 90872, 93328, 136308, 139992, 181744, 186656, 215821, 272616, 279984, 363488, 431642, 545232, 559968, 647463, 863284, 1090464, 1294926, 1726568, 2589852, 3453136, 5179704, 6906272, 10359408, 20718816]

約数ペア:

[(1, 20718816), (2, 10359408), (3, 6906272), (4, 5179704), (6, 3453136), (8, 2589852), (12, 1726568), (16, 1294926), (19, 1090464), (24, 863284), (32, 647463), (37, 559968), (38, 545232), (48, 431642), (57, 363488), (74, 279984), (76, 272616), (96, 215821), (111, 186656), (114, 181744), (148, 139992), (152, 136308), (222, 93328), (228, 90872), (296, 69996), (304, 68154), (307, 67488), (444, 46664), (456, 45436), (592, 34998), (608, 34077), (614, 33744), (703, 29472), (888, 23332), (912, 22718), (921, 22496), (1184, 17499), (1228, 16872), (1406, 14736), (1776, 11666), (1824, 11359), (1842, 11248), (2109, 9824), (2456, 8436), (2812, 7368), (3552, 5833), (3684, 5624), (4218, 4912)]