20844486

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 31248954

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1242, 1291, 1794, 2582, 2691, 3873, 5382, 7746, 8073, 11619, 16146, 16783, 23238, 29693, 33566, 34857, 50349, 59386, 69714, 89079, 100698, 151047, 178158, 267237, 302094, 386009, 453141, 534474, 772018, 801711, 906282, 1158027, 1603422, 2316054, 3474081, 6948162, 10422243, 20844486]

約数ペア:

[(1, 20844486), (2, 10422243), (3, 6948162), (6, 3474081), (9, 2316054), (13, 1603422), (18, 1158027), (23, 906282), (26, 801711), (27, 772018), (39, 534474), (46, 453141), (54, 386009), (69, 302094), (78, 267237), (117, 178158), (138, 151047), (207, 100698), (234, 89079), (299, 69714), (351, 59386), (414, 50349), (598, 34857), (621, 33566), (702, 29693), (897, 23238), (1242, 16783), (1291, 16146), (1794, 11619), (2582, 8073), (2691, 7746), (3873, 5382)]