20514654

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27178146

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 59, 94, 118, 137, 141, 177, 274, 282, 354, 411, 423, 531, 822, 846, 1062, 1233, 1269, 1593, 2466, 2538, 2773, 3186, 3699, 5546, 6439, 7398, 8083, 8319, 12878, 16166, 16638, 19317, 24249, 24957, 38634, 48498, 49914, 57951, 72747, 74871, 115902, 145494, 149742, 173853, 218241, 347706, 379901, 436482, 759802, 1139703, 2279406, 3419109, 6838218, 10257327, 20514654]

約数ペア:

[(1, 20514654), (2, 10257327), (3, 6838218), (6, 3419109), (9, 2279406), (18, 1139703), (27, 759802), (47, 436482), (54, 379901), (59, 347706), (94, 218241), (118, 173853), (137, 149742), (141, 145494), (177, 115902), (274, 74871), (282, 72747), (354, 57951), (411, 49914), (423, 48498), (531, 38634), (822, 24957), (846, 24249), (1062, 19317), (1233, 16638), (1269, 16166), (1593, 12878), (2466, 8319), (2538, 8083), (2773, 7398), (3186, 6439), (3699, 5546)]