20357622

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 48591360

約数和(自身を除く): 28233738

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 443, 621, 666, 851, 886, 999, 1242, 1329, 1702, 1998, 2553, 2658, 3987, 5106, 7659, 7974, 10189, 11961, 15318, 16391, 20378, 22977, 23922, 30567, 32782, 45954, 49173, 61134, 91701, 98346, 147519, 183402, 275103, 295038, 376993, 442557, 550206, 753986, 885114, 1130979, 2261958, 3392937, 6785874, 10178811, 20357622]

約数ペア:

[(1, 20357622), (2, 10178811), (3, 6785874), (6, 3392937), (9, 2261958), (18, 1130979), (23, 885114), (27, 753986), (37, 550206), (46, 442557), (54, 376993), (69, 295038), (74, 275103), (111, 183402), (138, 147519), (207, 98346), (222, 91701), (333, 61134), (414, 49173), (443, 45954), (621, 32782), (666, 30567), (851, 23922), (886, 22977), (999, 20378), (1242, 16391), (1329, 15318), (1702, 11961), (1998, 10189), (2553, 7974), (2658, 7659), (3987, 5106)]