20210964456

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{115979}}^1$

素因数の和:116178

約数の個数: 64

約数和(自身を含む): 51856977600

約数和(自身を除く): 31646013144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 137, 159, 212, 274, 318, 411, 424, 548, 636, 822, 1096, 1272, 1644, 3288, 7261, 14522, 21783, 29044, 43566, 58088, 87132, 115979, 174264, 231958, 347937, 463916, 695874, 927832, 1391748, 2783496, 6146887, 12293774, 15889123, 18440661, 24587548, 31778246, 36881322, 47667369, 49175096, 63556492, 73762644, 95334738, 127112984, 147525288, 190669476, 381338952, 842123519, 1684247038, 2526370557, 3368494076, 5052741114, 6736988152, 10105482228, 20210964456]

約数ペア:

[(1, 20210964456), (2, 10105482228), (3, 6736988152), (4, 5052741114), (6, 3368494076), (8, 2526370557), (12, 1684247038), (24, 842123519), (53, 381338952), (106, 190669476), (137, 147525288), (159, 127112984), (212, 95334738), (274, 73762644), (318, 63556492), (411, 49175096), (424, 47667369), (548, 36881322), (636, 31778246), (822, 24587548), (1096, 18440661), (1272, 15889123), (1644, 12293774), (3288, 6146887), (7261, 2783496), (14522, 1391748), (21783, 927832), (29044, 695874), (43566, 463916), (58088, 347937), (87132, 231958), (115979, 174264)]