20508714

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 48528480

約数和(自身を除く): 28019766

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2221, 3078, 4442, 4617, 6663, 9234, 13326, 19989, 39978, 42199, 59967, 84398, 119934, 126597, 179901, 253194, 359802, 379791, 539703, 759582, 1079406, 1139373, 2278746, 3418119, 6836238, 10254357, 20508714]

約数ペア:

[(1, 20508714), (2, 10254357), (3, 6836238), (6, 3418119), (9, 2278746), (18, 1139373), (19, 1079406), (27, 759582), (38, 539703), (54, 379791), (57, 359802), (81, 253194), (114, 179901), (162, 126597), (171, 119934), (243, 84398), (342, 59967), (486, 42199), (513, 39978), (1026, 19989), (1539, 13326), (2221, 9234), (3078, 6663), (4442, 4617)]