20136020120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{289477}}^1$

素因数の和:289572

約数の個数: 64

約数和(自身を含む): 47520708480

約数和(自身を除く): 27384688360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1480, 1739, 1880, 3478, 6956, 8695, 13912, 17390, 34780, 69560, 289477, 578954, 1157908, 1447385, 2315816, 2894770, 5789540, 10710649, 11579080, 13605419, 21421298, 27210838, 42842596, 53553245, 54421676, 68027095, 85685192, 107106490, 108843352, 136054190, 214212980, 272108380, 428425960, 503400503, 544216760, 1006801006, 2013602012, 2517002515, 4027204024, 5034005030, 10068010060, 20136020120]

約数ペア:

[(1, 20136020120), (2, 10068010060), (4, 5034005030), (5, 4027204024), (8, 2517002515), (10, 2013602012), (20, 1006801006), (37, 544216760), (40, 503400503), (47, 428425960), (74, 272108380), (94, 214212980), (148, 136054190), (185, 108843352), (188, 107106490), (235, 85685192), (296, 68027095), (370, 54421676), (376, 53553245), (470, 42842596), (740, 27210838), (940, 21421298), (1480, 13605419), (1739, 11579080), (1880, 10710649), (3478, 5789540), (6956, 2894770), (8695, 2315816), (13912, 1447385), (17390, 1157908), (34780, 578954), (69560, 289477)]