20778192

素因数分解:

$2^4\times 3^2\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:788

約数の個数: 60

約数和(自身を含む): 58462404

約数和(自身を除く): 37684212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 461, 626, 922, 939, 1252, 1383, 1844, 1878, 2504, 2766, 2817, 3688, 3756, 4149, 5008, 5532, 5634, 7376, 7512, 8298, 11064, 11268, 15024, 16596, 22128, 22536, 33192, 45072, 66384, 144293, 288586, 432879, 577172, 865758, 1154344, 1298637, 1731516, 2308688, 2597274, 3463032, 5194548, 6926064, 10389096, 20778192]

約数ペア:

[(1, 20778192), (2, 10389096), (3, 6926064), (4, 5194548), (6, 3463032), (8, 2597274), (9, 2308688), (12, 1731516), (16, 1298637), (18, 1154344), (24, 865758), (36, 577172), (48, 432879), (72, 288586), (144, 144293), (313, 66384), (461, 45072), (626, 33192), (922, 22536), (939, 22128), (1252, 16596), (1383, 15024), (1844, 11268), (1878, 11064), (2504, 8298), (2766, 7512), (2817, 7376), (3688, 5634), (3756, 5532), (4149, 5008)]