20187908930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{839}}^1\times {\mathrm{1307}}^1$

素因数の和:2423

約数の個数: 64

約数和(自身を含む): 41768939520

約数和(自身を除く): 21581030590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 839, 1307, 1315, 1678, 1841, 2614, 2630, 3682, 4195, 5873, 6535, 8390, 9149, 9205, 11746, 13070, 18298, 18410, 29365, 45745, 58730, 91490, 220657, 343741, 441314, 687482, 1096573, 1103285, 1544599, 1718705, 2193146, 2206570, 2406187, 3089198, 3437410, 4812374, 5482865, 7676011, 7722995, 10965730, 12030935, 15352022, 15445990, 24061870, 38380055, 76760110, 288398699, 576797398, 1441993495, 2018790893, 2883986990, 4037581786, 10093954465, 20187908930]

約数ペア:

[(1, 20187908930), (2, 10093954465), (5, 4037581786), (7, 2883986990), (10, 2018790893), (14, 1441993495), (35, 576797398), (70, 288398699), (263, 76760110), (526, 38380055), (839, 24061870), (1307, 15445990), (1315, 15352022), (1678, 12030935), (1841, 10965730), (2614, 7722995), (2630, 7676011), (3682, 5482865), (4195, 4812374), (5873, 3437410), (6535, 3089198), (8390, 2406187), (9149, 2206570), (9205, 2193146), (11746, 1718705), (13070, 1544599), (18298, 1103285), (18410, 1096573), (29365, 687482), (45745, 441314), (58730, 343741), (91490, 220657)]