20201472010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{18121}}^1$

素因数の和:18319

約数の個数: 64

約数和(自身を含む): 39268779264

約数和(自身を除く): 19067307254

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 131, 185, 230, 262, 370, 655, 851, 1310, 1702, 3013, 4255, 4847, 6026, 8510, 9694, 15065, 18121, 24235, 30130, 36242, 48470, 90605, 111481, 181210, 222962, 416783, 557405, 670477, 833566, 1114810, 1340954, 2083915, 2373851, 3352385, 4167830, 4747702, 6704770, 11869255, 15420971, 23738510, 30841942, 54598573, 77104855, 87832487, 109197146, 154209710, 175664974, 272992865, 439162435, 545985730, 878324870, 2020147201, 4040294402, 10100736005, 20201472010]

約数ペア:

[(1, 20201472010), (2, 10100736005), (5, 4040294402), (10, 2020147201), (23, 878324870), (37, 545985730), (46, 439162435), (74, 272992865), (115, 175664974), (131, 154209710), (185, 109197146), (230, 87832487), (262, 77104855), (370, 54598573), (655, 30841942), (851, 23738510), (1310, 15420971), (1702, 11869255), (3013, 6704770), (4255, 4747702), (4847, 4167830), (6026, 3352385), (8510, 2373851), (9694, 2083915), (15065, 1340954), (18121, 1114810), (24235, 833566), (30130, 670477), (36242, 557405), (48470, 416783), (90605, 222962), (111481, 181210)]