20128403990

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{45413}}^1$

素因数の和:45896

約数の個数: 32

約数和(自身を含む): 36621849600

約数和(自身を除く): 16493445610

約数列:

[1, 2, 5, 10, 127, 254, 349, 635, 698, 1270, 1745, 3490, 44323, 45413, 88646, 90826, 221615, 227065, 443230, 454130, 5767451, 11534902, 15849137, 28837255, 31698274, 57674510, 79245685, 158491370, 2012840399, 4025680798, 10064201995, 20128403990]

約数ペア:

[(1, 20128403990), (2, 10064201995), (5, 4025680798), (10, 2012840399), (127, 158491370), (254, 79245685), (349, 57674510), (635, 31698274), (698, 28837255), (1270, 15849137), (1745, 11534902), (3490, 5767451), (44323, 454130), (45413, 443230), (88646, 227065), (90826, 221615)]