20984436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2829

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 39949164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2789, 3762, 5578, 7524, 8367, 11156, 16734, 25101, 30679, 33468, 50202, 52991, 61358, 92037, 100404, 105982, 122716, 158973, 184074, 211964, 276111, 317946, 368148, 476919, 552222, 582901, 635892, 953838, 1104444, 1165802, 1748703, 1907676, 2331604, 3497406, 5246109, 6994812, 10492218, 20984436]

約数ペア:

[(1, 20984436), (2, 10492218), (3, 6994812), (4, 5246109), (6, 3497406), (9, 2331604), (11, 1907676), (12, 1748703), (18, 1165802), (19, 1104444), (22, 953838), (33, 635892), (36, 582901), (38, 552222), (44, 476919), (57, 368148), (66, 317946), (76, 276111), (99, 211964), (114, 184074), (132, 158973), (171, 122716), (198, 105982), (209, 100404), (228, 92037), (342, 61358), (396, 52991), (418, 50202), (627, 33468), (684, 30679), (836, 25101), (1254, 16734), (1881, 11156), (2508, 8367), (2789, 7524), (3762, 5578)]