20194307620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1009}}^1\times {\mathrm{7639}}^1$

素因数の和:8788

約数の個数: 48

約数和(自身を含む): 42779721600

約数和(自身を除く): 22585413980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1009, 1310, 2018, 2620, 4036, 5045, 7639, 10090, 15278, 20180, 30556, 38195, 76390, 132179, 152780, 264358, 528716, 660895, 1000709, 1321790, 2001418, 2643580, 4002836, 5003545, 7707751, 10007090, 15415502, 20014180, 30831004, 38538755, 77077510, 154155020, 1009715381, 2019430762, 4038861524, 5048576905, 10097153810, 20194307620]

約数ペア:

[(1, 20194307620), (2, 10097153810), (4, 5048576905), (5, 4038861524), (10, 2019430762), (20, 1009715381), (131, 154155020), (262, 77077510), (524, 38538755), (655, 30831004), (1009, 20014180), (1310, 15415502), (2018, 10007090), (2620, 7707751), (4036, 5003545), (5045, 4002836), (7639, 2643580), (10090, 2001418), (15278, 1321790), (20180, 1000709), (30556, 660895), (38195, 528716), (76390, 264358), (132179, 152780)]