20357976

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 55248480

約数和(自身を除く): 34890504

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 51, 68, 82, 102, 123, 136, 164, 204, 246, 328, 408, 492, 697, 984, 1217, 1394, 2091, 2434, 2788, 3651, 4182, 4868, 5576, 7302, 8364, 9736, 14604, 16728, 20689, 29208, 41378, 49897, 62067, 82756, 99794, 124134, 149691, 165512, 199588, 248268, 299382, 399176, 496536, 598764, 848249, 1197528, 1696498, 2544747, 3392996, 5089494, 6785992, 10178988, 20357976]

約数ペア:

[(1, 20357976), (2, 10178988), (3, 6785992), (4, 5089494), (6, 3392996), (8, 2544747), (12, 1696498), (17, 1197528), (24, 848249), (34, 598764), (41, 496536), (51, 399176), (68, 299382), (82, 248268), (102, 199588), (123, 165512), (136, 149691), (164, 124134), (204, 99794), (246, 82756), (328, 62067), (408, 49897), (492, 41378), (697, 29208), (984, 20689), (1217, 16728), (1394, 14604), (2091, 9736), (2434, 8364), (2788, 7302), (3651, 5576), (4182, 4868)]