20123395516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{2293}}^1$

素因数の和:2603

約数の個数: 96

約数和(自身を含む): 43287229440

約数和(自身を除く): 23163833924

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 103, 119, 179, 206, 238, 358, 412, 476, 716, 721, 1253, 1442, 1751, 2293, 2506, 2884, 3043, 3502, 4586, 5012, 6086, 7004, 9172, 12172, 12257, 16051, 18437, 21301, 24514, 32102, 36874, 38981, 42602, 49028, 64204, 73748, 77962, 85204, 129059, 155924, 236179, 258118, 272867, 313429, 410447, 472358, 516236, 545734, 626858, 820894, 944716, 1091468, 1253716, 1641788, 1653253, 2194003, 2873129, 3306506, 4015043, 4388006, 5746258, 6613012, 6977599, 8030086, 8776012, 11492516, 13955198, 16060172, 27910396, 28105301, 42276041, 48843193, 56210602, 84552082, 97686386, 112421204, 169104164, 195372772, 295932287, 591864574, 718692697, 1183729148, 1437385394, 2874770788, 5030848879, 10061697758, 20123395516]

約数ペア:

[(1, 20123395516), (2, 10061697758), (4, 5030848879), (7, 2874770788), (14, 1437385394), (17, 1183729148), (28, 718692697), (34, 591864574), (68, 295932287), (103, 195372772), (119, 169104164), (179, 112421204), (206, 97686386), (238, 84552082), (358, 56210602), (412, 48843193), (476, 42276041), (716, 28105301), (721, 27910396), (1253, 16060172), (1442, 13955198), (1751, 11492516), (2293, 8776012), (2506, 8030086), (2884, 6977599), (3043, 6613012), (3502, 5746258), (4586, 4388006), (5012, 4015043), (6086, 3306506), (7004, 2873129), (9172, 2194003), (12172, 1653253), (12257, 1641788), (16051, 1253716), (18437, 1091468), (21301, 944716), (24514, 820894), (32102, 626858), (36874, 545734), (38981, 516236), (42602, 472358), (49028, 410447), (64204, 313429), (73748, 272867), (77962, 258118), (85204, 236179), (129059, 155924)]