23017180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 49865760

約数和(自身を除く): 26848580

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 193, 268, 335, 356, 386, 445, 670, 772, 890, 965, 1340, 1780, 1930, 3860, 5963, 11926, 12931, 17177, 23852, 25862, 29815, 34354, 51724, 59630, 64655, 68708, 85885, 119260, 129310, 171770, 258620, 343540, 1150859, 2301718, 4603436, 5754295, 11508590, 23017180]

約数ペア:

[(1, 23017180), (2, 11508590), (4, 5754295), (5, 4603436), (10, 2301718), (20, 1150859), (67, 343540), (89, 258620), (134, 171770), (178, 129310), (193, 119260), (268, 85885), (335, 68708), (356, 64655), (386, 59630), (445, 51724), (670, 34354), (772, 29815), (890, 25862), (965, 23852), (1340, 17177), (1780, 12931), (1930, 11926), (3860, 5963)]