20199451748

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1\times {\mathrm{1021}}^1$

素因数の和:1605

約数の個数: 96

約数和(自身を含む): 43391013120

約数和(自身を除く): 23191561372

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 467, 476, 623, 934, 1021, 1246, 1513, 1868, 2042, 2492, 3026, 3269, 4084, 6052, 6538, 7147, 7939, 10591, 13076, 14294, 15878, 17357, 21182, 28588, 31756, 34714, 41563, 42364, 55573, 69428, 83126, 90869, 111146, 121499, 166252, 181738, 222292, 242998, 290941, 363476, 476807, 485996, 581882, 636083, 706571, 953614, 1163764, 1272166, 1413142, 1544773, 1907228, 2544332, 2826284, 3089546, 3337649, 4945997, 6179092, 6675298, 8105719, 9891994, 10813411, 13350596, 16211438, 19783988, 21626822, 32422876, 42435823, 43253644, 56740033, 84871646, 113480066, 169743292, 226960132, 297050761, 594101522, 721408991, 1188203044, 1442817982, 2885635964, 5049862937, 10099725874, 20199451748]

約数ペア:

[(1, 20199451748), (2, 10099725874), (4, 5049862937), (7, 2885635964), (14, 1442817982), (17, 1188203044), (28, 721408991), (34, 594101522), (68, 297050761), (89, 226960132), (119, 169743292), (178, 113480066), (238, 84871646), (356, 56740033), (467, 43253644), (476, 42435823), (623, 32422876), (934, 21626822), (1021, 19783988), (1246, 16211438), (1513, 13350596), (1868, 10813411), (2042, 9891994), (2492, 8105719), (3026, 6675298), (3269, 6179092), (4084, 4945997), (6052, 3337649), (6538, 3089546), (7147, 2826284), (7939, 2544332), (10591, 1907228), (13076, 1544773), (14294, 1413142), (15878, 1272166), (17357, 1163764), (21182, 953614), (28588, 706571), (31756, 636083), (34714, 581882), (41563, 485996), (42364, 476807), (55573, 363476), (69428, 290941), (83126, 242998), (90869, 222292), (111146, 181738), (121499, 166252)]