20187548176

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 40422412800

約数和(自身を除く): 20234864624

約数列:

[1, 2, 4, 8, 16, 83, 89, 109, 166, 178, 218, 332, 356, 436, 664, 712, 872, 1328, 1424, 1567, 1744, 3134, 6268, 7387, 9047, 9701, 12536, 14774, 18094, 19402, 25072, 29548, 36188, 38804, 59096, 72376, 77608, 118192, 130061, 139463, 144752, 155216, 170803, 260122, 278926, 341606, 520244, 557852, 683212, 805183, 1040488, 1115704, 1366424, 1610366, 2080976, 2231408, 2732848, 3220732, 6441464, 11575429, 12882928, 14176649, 15201467, 23150858, 28353298, 30402934, 46301716, 56706596, 60805868, 92603432, 113413192, 121611736, 185206864, 226826384, 243223472, 1261721761, 2523443522, 5046887044, 10093774088, 20187548176]

約数ペア:

[(1, 20187548176), (2, 10093774088), (4, 5046887044), (8, 2523443522), (16, 1261721761), (83, 243223472), (89, 226826384), (109, 185206864), (166, 121611736), (178, 113413192), (218, 92603432), (332, 60805868), (356, 56706596), (436, 46301716), (664, 30402934), (712, 28353298), (872, 23150858), (1328, 15201467), (1424, 14176649), (1567, 12882928), (1744, 11575429), (3134, 6441464), (6268, 3220732), (7387, 2732848), (9047, 2231408), (9701, 2080976), (12536, 1610366), (14774, 1366424), (18094, 1115704), (19402, 1040488), (25072, 805183), (29548, 683212), (36188, 557852), (38804, 520244), (59096, 341606), (72376, 278926), (77608, 260122), (118192, 170803), (130061, 155216), (139463, 144752)]