20667648

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1619

約数の個数: 72

約数和(自身を含む): 58278528

約数和(自身を除く): 37610880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1583, 1632, 2176, 3166, 3264, 4352, 4749, 6332, 6528, 9498, 12664, 13056, 18996, 25328, 26911, 37992, 50656, 53822, 75984, 80733, 101312, 107644, 151968, 161466, 202624, 215288, 303936, 322932, 405248, 430576, 607872, 645864, 861152, 1215744, 1291728, 1722304, 2583456, 3444608, 5166912, 6889216, 10333824, 20667648]

約数ペア:

[(1, 20667648), (2, 10333824), (3, 6889216), (4, 5166912), (6, 3444608), (8, 2583456), (12, 1722304), (16, 1291728), (17, 1215744), (24, 861152), (32, 645864), (34, 607872), (48, 430576), (51, 405248), (64, 322932), (68, 303936), (96, 215288), (102, 202624), (128, 161466), (136, 151968), (192, 107644), (204, 101312), (256, 80733), (272, 75984), (384, 53822), (408, 50656), (544, 37992), (768, 26911), (816, 25328), (1088, 18996), (1583, 13056), (1632, 12664), (2176, 9498), (3166, 6528), (3264, 6332), (4352, 4749)]