20172062464

素因数分解:

$2^8\times {\mathrm{241}}^1\times {\mathrm{557}}^1\times {\mathrm{587}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 40573996848

約数和(自身を除く): 20401934384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 241, 256, 482, 557, 587, 964, 1114, 1174, 1928, 2228, 2348, 3856, 4456, 4696, 7712, 8912, 9392, 15424, 17824, 18784, 30848, 35648, 37568, 61696, 71296, 75136, 134237, 141467, 142592, 150272, 268474, 282934, 326959, 536948, 565868, 653918, 1073896, 1131736, 1307836, 2147792, 2263472, 2615672, 4295584, 4526944, 5231344, 8591168, 9053888, 10462688, 17182336, 18107776, 20925376, 34364672, 36215552, 41850752, 78797119, 83701504, 157594238, 315188476, 630376952, 1260753904, 2521507808, 5043015616, 10086031232, 20172062464]

約数ペア:

[(1, 20172062464), (2, 10086031232), (4, 5043015616), (8, 2521507808), (16, 1260753904), (32, 630376952), (64, 315188476), (128, 157594238), (241, 83701504), (256, 78797119), (482, 41850752), (557, 36215552), (587, 34364672), (964, 20925376), (1114, 18107776), (1174, 17182336), (1928, 10462688), (2228, 9053888), (2348, 8591168), (3856, 5231344), (4456, 4526944), (4696, 4295584), (7712, 2615672), (8912, 2263472), (9392, 2147792), (15424, 1307836), (17824, 1131736), (18784, 1073896), (30848, 653918), (35648, 565868), (37568, 536948), (61696, 326959), (71296, 282934), (75136, 268474), (134237, 150272), (141467, 142592)]