20650144

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 21752384

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 107, 148, 163, 214, 296, 326, 428, 592, 652, 856, 1184, 1304, 1712, 2608, 3424, 3959, 5216, 6031, 7918, 12062, 15836, 17441, 24124, 31672, 34882, 48248, 63344, 69764, 96496, 126688, 139528, 192992, 279056, 558112, 645317, 1290634, 2581268, 5162536, 10325072, 20650144]

約数ペア:

[(1, 20650144), (2, 10325072), (4, 5162536), (8, 2581268), (16, 1290634), (32, 645317), (37, 558112), (74, 279056), (107, 192992), (148, 139528), (163, 126688), (214, 96496), (296, 69764), (326, 63344), (428, 48248), (592, 34882), (652, 31672), (856, 24124), (1184, 17441), (1304, 15836), (1712, 12062), (2608, 7918), (3424, 6031), (3959, 5216)]