20519892

素因数分解:

$2^2\times 3^6\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 84

約数和(自身を含む): 55821696

約数和(自身を除く): 35301804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 227, 243, 279, 324, 372, 454, 486, 558, 681, 729, 837, 908, 972, 1116, 1362, 1458, 1674, 2043, 2511, 2724, 2916, 3348, 4086, 5022, 6129, 7037, 7533, 8172, 10044, 12258, 14074, 15066, 18387, 21111, 22599, 24516, 28148, 30132, 36774, 42222, 45198, 55161, 63333, 73548, 84444, 90396, 110322, 126666, 165483, 189999, 220644, 253332, 330966, 379998, 569997, 661932, 759996, 1139994, 1709991, 2279988, 3419982, 5129973, 6839964, 10259946, 20519892]

約数ペア:

[(1, 20519892), (2, 10259946), (3, 6839964), (4, 5129973), (6, 3419982), (9, 2279988), (12, 1709991), (18, 1139994), (27, 759996), (31, 661932), (36, 569997), (54, 379998), (62, 330966), (81, 253332), (93, 220644), (108, 189999), (124, 165483), (162, 126666), (186, 110322), (227, 90396), (243, 84444), (279, 73548), (324, 63333), (372, 55161), (454, 45198), (486, 42222), (558, 36774), (681, 30132), (729, 28148), (837, 24516), (908, 22599), (972, 21111), (1116, 18387), (1362, 15066), (1458, 14074), (1674, 12258), (2043, 10044), (2511, 8172), (2724, 7533), (2916, 7037), (3348, 6129), (4086, 5022)]