20093670128

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1\times {\mathrm{2357}}^1$

素因数の和:3214

約数の個数: 80

約数和(自身を含む): 45004976640

約数和(自身を除く): 24911306512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 739, 824, 1442, 1478, 1648, 2357, 2884, 2956, 4714, 5173, 5768, 5912, 9428, 10346, 11536, 11824, 16499, 18856, 20692, 32998, 37712, 41384, 65996, 76117, 82768, 131992, 152234, 242771, 263984, 304468, 485542, 532819, 608936, 971084, 1065638, 1217872, 1699397, 1741823, 1942168, 2131276, 3398794, 3483646, 3884336, 4262552, 6797588, 6967292, 8525104, 12192761, 13595176, 13934584, 24385522, 27190352, 27869168, 48771044, 97542088, 179407769, 195084176, 358815538, 717631076, 1255854383, 1435262152, 2511708766, 2870524304, 5023417532, 10046835064, 20093670128]

約数ペア:

[(1, 20093670128), (2, 10046835064), (4, 5023417532), (7, 2870524304), (8, 2511708766), (14, 1435262152), (16, 1255854383), (28, 717631076), (56, 358815538), (103, 195084176), (112, 179407769), (206, 97542088), (412, 48771044), (721, 27869168), (739, 27190352), (824, 24385522), (1442, 13934584), (1478, 13595176), (1648, 12192761), (2357, 8525104), (2884, 6967292), (2956, 6797588), (4714, 4262552), (5173, 3884336), (5768, 3483646), (5912, 3398794), (9428, 2131276), (10346, 1942168), (11536, 1741823), (11824, 1699397), (16499, 1217872), (18856, 1065638), (20692, 971084), (32998, 608936), (37712, 532819), (41384, 485542), (65996, 304468), (76117, 263984), (82768, 242771), (131992, 152234)]