20695416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 39715464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 141, 168, 188, 282, 329, 376, 564, 658, 987, 1128, 1316, 1974, 2621, 2632, 3948, 5242, 7863, 7896, 10484, 15726, 18347, 20968, 31452, 36694, 55041, 62904, 73388, 110082, 123187, 146776, 220164, 246374, 369561, 440328, 492748, 739122, 862309, 985496, 1478244, 1724618, 2586927, 2956488, 3449236, 5173854, 6898472, 10347708, 20695416]

約数ペア:

[(1, 20695416), (2, 10347708), (3, 6898472), (4, 5173854), (6, 3449236), (7, 2956488), (8, 2586927), (12, 1724618), (14, 1478244), (21, 985496), (24, 862309), (28, 739122), (42, 492748), (47, 440328), (56, 369561), (84, 246374), (94, 220164), (141, 146776), (168, 123187), (188, 110082), (282, 73388), (329, 62904), (376, 55041), (564, 36694), (658, 31452), (987, 20968), (1128, 18347), (1316, 15726), (1974, 10484), (2621, 7896), (2632, 7863), (3948, 5242)]