20007261100

素因数分解:

$2^2\times 5^2\times {\mathrm{1531}}^1\times {\mathrm{130681}}^1$

素因数の和:132226

約数の個数: 36

約数和(自身を含む): 43444446808

約数和(自身を除く): 23437185708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1531, 3062, 6124, 7655, 15310, 30620, 38275, 76550, 130681, 153100, 261362, 522724, 653405, 1306810, 2613620, 3267025, 6534050, 13068100, 200072611, 400145222, 800290444, 1000363055, 2000726110, 4001452220, 5001815275, 10003630550, 20007261100]

約数ペア:

[(1, 20007261100), (2, 10003630550), (4, 5001815275), (5, 4001452220), (10, 2000726110), (20, 1000363055), (25, 800290444), (50, 400145222), (100, 200072611), (1531, 13068100), (3062, 6534050), (6124, 3267025), (7655, 2613620), (15310, 1306810), (30620, 653405), (38275, 522724), (76550, 261362), (130681, 153100)]