20792043

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 32338488

約数和(自身を除く): 11546445

約数列:

[1, 3, 9, 29, 41, 67, 87, 123, 201, 261, 369, 603, 841, 1189, 1943, 2523, 2747, 3567, 5829, 7569, 8241, 10701, 17487, 24723, 34481, 56347, 79663, 103443, 169041, 238989, 310329, 507123, 716967, 2310227, 6930681, 20792043]

約数ペア:

[(1, 20792043), (3, 6930681), (9, 2310227), (29, 716967), (41, 507123), (67, 310329), (87, 238989), (123, 169041), (201, 103443), (261, 79663), (369, 56347), (603, 34481), (841, 24723), (1189, 17487), (1943, 10701), (2523, 8241), (2747, 7569), (3567, 5829)]