20176675491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{2503}}^1$

素因数の和:2848

約数の個数: 64

約数和(自身を含む): 32884531200

約数和(自身を除く): 12707855709

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 227, 267, 399, 623, 681, 1589, 1691, 1869, 2503, 4313, 4767, 5073, 7509, 11837, 12939, 17521, 20203, 30191, 35511, 47557, 52563, 60609, 90573, 141421, 142671, 222767, 332899, 383857, 424263, 568181, 668301, 998697, 1151571, 1559369, 1704543, 2686999, 3977267, 4232573, 4678107, 8060997, 10795439, 11931801, 12697719, 29628011, 32386317, 50568109, 75568073, 88884033, 151704327, 226704219, 353976763, 960794071, 1061930289, 2882382213, 6725558497, 20176675491]

約数ペア:

[(1, 20176675491), (3, 6725558497), (7, 2882382213), (19, 1061930289), (21, 960794071), (57, 353976763), (89, 226704219), (133, 151704327), (227, 88884033), (267, 75568073), (399, 50568109), (623, 32386317), (681, 29628011), (1589, 12697719), (1691, 11931801), (1869, 10795439), (2503, 8060997), (4313, 4678107), (4767, 4232573), (5073, 3977267), (7509, 2686999), (11837, 1704543), (12939, 1559369), (17521, 1151571), (20203, 998697), (30191, 668301), (35511, 568181), (47557, 424263), (52563, 383857), (60609, 332899), (90573, 222767), (141421, 142671)]