20549220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1433}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 57818880

約数和(自身を除く): 37269660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1433, 1434, 2390, 2866, 2868, 3585, 4299, 4780, 5732, 7165, 7170, 8598, 14330, 14340, 17196, 21495, 28660, 42990, 85980, 342487, 684974, 1027461, 1369948, 1712435, 2054922, 3424870, 4109844, 5137305, 6849740, 10274610, 20549220]

約数ペア:

[(1, 20549220), (2, 10274610), (3, 6849740), (4, 5137305), (5, 4109844), (6, 3424870), (10, 2054922), (12, 1712435), (15, 1369948), (20, 1027461), (30, 684974), (60, 342487), (239, 85980), (478, 42990), (717, 28660), (956, 21495), (1195, 17196), (1433, 14340), (1434, 14330), (2390, 8598), (2866, 7170), (2868, 7165), (3585, 5732), (4299, 4780)]