20138190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 50409216

約数和(自身を除く): 30271026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 67, 86, 129, 134, 201, 215, 233, 258, 335, 402, 430, 466, 645, 670, 699, 1005, 1165, 1290, 1398, 2010, 2330, 2881, 3495, 5762, 6990, 8643, 10019, 14405, 15611, 17286, 20038, 28810, 30057, 31222, 43215, 46833, 50095, 60114, 78055, 86430, 93666, 100190, 150285, 156110, 234165, 300570, 468330, 671273, 1342546, 2013819, 3356365, 4027638, 6712730, 10069095, 20138190]

約数ペア:

[(1, 20138190), (2, 10069095), (3, 6712730), (5, 4027638), (6, 3356365), (10, 2013819), (15, 1342546), (30, 671273), (43, 468330), (67, 300570), (86, 234165), (129, 156110), (134, 150285), (201, 100190), (215, 93666), (233, 86430), (258, 78055), (335, 60114), (402, 50095), (430, 46833), (466, 43215), (645, 31222), (670, 30057), (699, 28810), (1005, 20038), (1165, 17286), (1290, 15611), (1398, 14405), (2010, 10019), (2330, 8643), (2881, 6990), (3495, 5762)]