20176935620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1\times {\mathrm{14869}}^1$

素因数の和:18468

約数の個数: 48

約数和(自身を含む): 44617137600

約数和(自身を除く): 24440201980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3571, 7142, 14284, 14869, 17855, 29738, 35710, 59476, 67849, 71420, 74345, 135698, 148690, 271396, 282511, 297380, 339245, 565022, 678490, 1130044, 1356980, 1412555, 2825110, 5650220, 53097199, 106194398, 212388796, 265485995, 530971990, 1008846781, 1061943980, 2017693562, 4035387124, 5044233905, 10088467810, 20176935620]

約数ペア:

[(1, 20176935620), (2, 10088467810), (4, 5044233905), (5, 4035387124), (10, 2017693562), (19, 1061943980), (20, 1008846781), (38, 530971990), (76, 265485995), (95, 212388796), (190, 106194398), (380, 53097199), (3571, 5650220), (7142, 2825110), (14284, 1412555), (14869, 1356980), (17855, 1130044), (29738, 678490), (35710, 565022), (59476, 339245), (67849, 297380), (71420, 282511), (74345, 271396), (135698, 148690)]