20170816

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 56

約数和(自身を含む): 42574464

約数和(自身を除く): 22403648

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 142, 184, 193, 284, 368, 386, 568, 736, 772, 1136, 1472, 1544, 1633, 2272, 3088, 3266, 4439, 4544, 6176, 6532, 8878, 12352, 13064, 13703, 17756, 26128, 27406, 35512, 52256, 54812, 71024, 104512, 109624, 142048, 219248, 284096, 315169, 438496, 630338, 876992, 1260676, 2521352, 5042704, 10085408, 20170816]

約数ペア:

[(1, 20170816), (2, 10085408), (4, 5042704), (8, 2521352), (16, 1260676), (23, 876992), (32, 630338), (46, 438496), (64, 315169), (71, 284096), (92, 219248), (142, 142048), (184, 109624), (193, 104512), (284, 71024), (368, 54812), (386, 52256), (568, 35512), (736, 27406), (772, 26128), (1136, 17756), (1472, 13703), (1544, 13064), (1633, 12352), (2272, 8878), (3088, 6532), (3266, 6176), (4439, 4544)]