20698112

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 88

約数和(自身を含む): 46425960

約数和(自身を除く): 25727848

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 41, 58, 64, 68, 82, 116, 128, 136, 164, 232, 256, 272, 328, 464, 493, 512, 544, 656, 697, 928, 986, 1024, 1088, 1189, 1312, 1394, 1856, 1972, 2176, 2378, 2624, 2788, 3712, 3944, 4352, 4756, 5248, 5576, 7424, 7888, 8704, 9512, 10496, 11152, 14848, 15776, 17408, 19024, 20213, 20992, 22304, 29696, 31552, 38048, 40426, 41984, 44608, 63104, 76096, 80852, 89216, 126208, 152192, 161704, 178432, 252416, 304384, 323408, 356864, 504832, 608768, 646816, 713728, 1217536, 1293632, 2587264, 5174528, 10349056, 20698112]

約数ペア:

[(1, 20698112), (2, 10349056), (4, 5174528), (8, 2587264), (16, 1293632), (17, 1217536), (29, 713728), (32, 646816), (34, 608768), (41, 504832), (58, 356864), (64, 323408), (68, 304384), (82, 252416), (116, 178432), (128, 161704), (136, 152192), (164, 126208), (232, 89216), (256, 80852), (272, 76096), (328, 63104), (464, 44608), (493, 41984), (512, 40426), (544, 38048), (656, 31552), (697, 29696), (928, 22304), (986, 20992), (1024, 20213), (1088, 19024), (1189, 17408), (1312, 15776), (1394, 14848), (1856, 11152), (1972, 10496), (2176, 9512), (2378, 8704), (2624, 7888), (2788, 7424), (3712, 5576), (3944, 5248), (4352, 4756)]