20176400036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{11503}}^1$

素因数の和:11988

約数の個数: 48

約数和(自身を含む): 38556806400

約数和(自身を除く): 18380406364

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 379, 758, 1157, 1516, 2314, 4628, 4927, 9854, 11503, 19708, 23006, 33731, 46012, 67462, 134924, 149539, 299078, 438503, 598156, 877006, 1023767, 1754012, 2047534, 4095068, 4359637, 8719274, 13308971, 17438548, 26617942, 53235884, 56675281, 113350562, 226701124, 388007693, 776015386, 1552030772, 5044100009, 10088200018, 20176400036]

約数ペア:

[(1, 20176400036), (2, 10088200018), (4, 5044100009), (13, 1552030772), (26, 776015386), (52, 388007693), (89, 226701124), (178, 113350562), (356, 56675281), (379, 53235884), (758, 26617942), (1157, 17438548), (1516, 13308971), (2314, 8719274), (4628, 4359637), (4927, 4095068), (9854, 2047534), (11503, 1754012), (19708, 1023767), (23006, 877006), (33731, 598156), (46012, 438503), (67462, 299078), (134924, 149539)]