20123143352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1\times {\mathrm{6221}}^1$

素因数の和:7896

約数の個数: 64

約数和(自身を含む): 42804871200

約数和(自身を除く): 22681727848

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1637, 1976, 3274, 6221, 6548, 12442, 13096, 21281, 24884, 31103, 42562, 49768, 62206, 80873, 85124, 118199, 124412, 161746, 170248, 236398, 248824, 323492, 404339, 472796, 646984, 808678, 945592, 1536587, 1617356, 3073174, 3234712, 6146348, 10183777, 12292696, 20367554, 40735108, 81470216, 132389101, 193491763, 264778202, 386983526, 529556404, 773967052, 1059112808, 1547934104, 2515392919, 5030785838, 10061571676, 20123143352]

約数ペア:

[(1, 20123143352), (2, 10061571676), (4, 5030785838), (8, 2515392919), (13, 1547934104), (19, 1059112808), (26, 773967052), (38, 529556404), (52, 386983526), (76, 264778202), (104, 193491763), (152, 132389101), (247, 81470216), (494, 40735108), (988, 20367554), (1637, 12292696), (1976, 10183777), (3274, 6146348), (6221, 3234712), (6548, 3073174), (12442, 1617356), (13096, 1536587), (21281, 945592), (24884, 808678), (31103, 646984), (42562, 472796), (49768, 404339), (62206, 323492), (80873, 248824), (85124, 236398), (118199, 170248), (124412, 161746)]