23212820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 52436160

約数和(自身を除く): 29223340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1019, 1139, 1340, 2038, 2278, 4076, 4556, 5095, 5695, 10190, 11390, 17323, 20380, 22780, 34646, 68273, 69292, 86615, 136546, 173230, 273092, 341365, 346460, 682730, 1160641, 1365460, 2321282, 4642564, 5803205, 11606410, 23212820]

約数ペア:

[(1, 23212820), (2, 11606410), (4, 5803205), (5, 4642564), (10, 2321282), (17, 1365460), (20, 1160641), (34, 682730), (67, 346460), (68, 341365), (85, 273092), (134, 173230), (170, 136546), (268, 86615), (335, 69292), (340, 68273), (670, 34646), (1019, 22780), (1139, 20380), (1340, 17323), (2038, 11390), (2278, 10190), (4076, 5695), (4556, 5095)]