20292832

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 49016016

約数和(自身を除く): 28723184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 73, 112, 119, 136, 146, 224, 238, 272, 292, 476, 511, 544, 584, 952, 1022, 1168, 1241, 1904, 2044, 2336, 2482, 3808, 4088, 4964, 5329, 8176, 8687, 9928, 10658, 16352, 17374, 19856, 21316, 34748, 37303, 39712, 42632, 69496, 74606, 85264, 90593, 138992, 149212, 170528, 181186, 277984, 298424, 362372, 596848, 634151, 724744, 1193696, 1268302, 1449488, 2536604, 2898976, 5073208, 10146416, 20292832]

約数ペア:

[(1, 20292832), (2, 10146416), (4, 5073208), (7, 2898976), (8, 2536604), (14, 1449488), (16, 1268302), (17, 1193696), (28, 724744), (32, 634151), (34, 596848), (56, 362372), (68, 298424), (73, 277984), (112, 181186), (119, 170528), (136, 149212), (146, 138992), (224, 90593), (238, 85264), (272, 74606), (292, 69496), (476, 42632), (511, 39712), (544, 37303), (584, 34748), (952, 21316), (1022, 19856), (1168, 17374), (1241, 16352), (1904, 10658), (2044, 9928), (2336, 8687), (2482, 8176), (3808, 5329), (4088, 4964)]