20723868

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 58181760

約数和(自身を除く): 37457892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 99, 118, 132, 177, 198, 236, 354, 396, 531, 649, 708, 887, 1062, 1298, 1774, 1947, 2124, 2596, 2661, 3548, 3894, 5322, 5841, 7788, 7983, 9757, 10644, 11682, 15966, 19514, 23364, 29271, 31932, 39028, 52333, 58542, 87813, 104666, 117084, 156999, 175626, 209332, 313998, 351252, 470997, 575663, 627996, 941994, 1151326, 1726989, 1883988, 2302652, 3453978, 5180967, 6907956, 10361934, 20723868]

約数ペア:

[(1, 20723868), (2, 10361934), (3, 6907956), (4, 5180967), (6, 3453978), (9, 2302652), (11, 1883988), (12, 1726989), (18, 1151326), (22, 941994), (33, 627996), (36, 575663), (44, 470997), (59, 351252), (66, 313998), (99, 209332), (118, 175626), (132, 156999), (177, 117084), (198, 104666), (236, 87813), (354, 58542), (396, 52333), (531, 39028), (649, 31932), (708, 29271), (887, 23364), (1062, 19514), (1298, 15966), (1774, 11682), (1947, 10644), (2124, 9757), (2596, 7983), (2661, 7788), (3548, 5841), (3894, 5322)]