20079067071

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 96

約数和(自身を含む): 33052631040

約数和(自身を除く): 12973563969

約数列:

[1, 3, 7, 21, 31, 47, 49, 93, 141, 147, 217, 241, 329, 389, 651, 723, 987, 1167, 1457, 1519, 1687, 2303, 2723, 4371, 4557, 5061, 6909, 7471, 8169, 10199, 11327, 11809, 12059, 18283, 19061, 22413, 30597, 33981, 35427, 36177, 52297, 54849, 57183, 71393, 79289, 84413, 93749, 127981, 156891, 214179, 237867, 253239, 281247, 351137, 366079, 383943, 555023, 566773, 590891, 656243, 895867, 1053411, 1098237, 1665069, 1700319, 1772673, 1968729, 2457959, 2687601, 2906219, 3967411, 4406203, 4593701, 7373877, 8718657, 11902233, 13218609, 13781103, 17205713, 20343533, 27771877, 30843421, 51617139, 61030599, 83315631, 92530263, 136592293, 142404731, 215903947, 409776879, 427214193, 647711841, 956146051, 2868438153, 6693022357, 20079067071]

約数ペア:

[(1, 20079067071), (3, 6693022357), (7, 2868438153), (21, 956146051), (31, 647711841), (47, 427214193), (49, 409776879), (93, 215903947), (141, 142404731), (147, 136592293), (217, 92530263), (241, 83315631), (329, 61030599), (389, 51617139), (651, 30843421), (723, 27771877), (987, 20343533), (1167, 17205713), (1457, 13781103), (1519, 13218609), (1687, 11902233), (2303, 8718657), (2723, 7373877), (4371, 4593701), (4557, 4406203), (5061, 3967411), (6909, 2906219), (7471, 2687601), (8169, 2457959), (10199, 1968729), (11327, 1772673), (11809, 1700319), (12059, 1665069), (18283, 1098237), (19061, 1053411), (22413, 895867), (30597, 656243), (33981, 590891), (35427, 566773), (36177, 555023), (52297, 383943), (54849, 366079), (57183, 351137), (71393, 281247), (79289, 253239), (84413, 237867), (93749, 214179), (127981, 156891)]