20528027988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{52489}}^1$

素因数の和:52641

約数の個数: 96

約数和(自身を含む): 54320851200

約数和(自身を除く): 33792823212

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 109, 138, 156, 218, 276, 299, 327, 436, 598, 654, 897, 1196, 1308, 1417, 1794, 2507, 2834, 3588, 4251, 5014, 5668, 7521, 8502, 10028, 15042, 17004, 30084, 32591, 52489, 65182, 97773, 104978, 130364, 157467, 195546, 209956, 314934, 391092, 629868, 682357, 1207247, 1364714, 2047071, 2414494, 2729428, 3621741, 4094142, 4828988, 5721301, 7243482, 8188284, 11442602, 14486964, 15694211, 17163903, 22885204, 31388422, 34327806, 47082633, 62776844, 68655612, 74376913, 94165266, 131589923, 148753826, 188330532, 223130739, 263179846, 297507652, 394769769, 446261478, 526359692, 789539538, 892522956, 1579079076, 1710668999, 3421337998, 5132006997, 6842675996, 10264013994, 20528027988]

約数ペア:

[(1, 20528027988), (2, 10264013994), (3, 6842675996), (4, 5132006997), (6, 3421337998), (12, 1710668999), (13, 1579079076), (23, 892522956), (26, 789539538), (39, 526359692), (46, 446261478), (52, 394769769), (69, 297507652), (78, 263179846), (92, 223130739), (109, 188330532), (138, 148753826), (156, 131589923), (218, 94165266), (276, 74376913), (299, 68655612), (327, 62776844), (436, 47082633), (598, 34327806), (654, 31388422), (897, 22885204), (1196, 17163903), (1308, 15694211), (1417, 14486964), (1794, 11442602), (2507, 8188284), (2834, 7243482), (3588, 5721301), (4251, 4828988), (5014, 4094142), (5668, 3621741), (7521, 2729428), (8502, 2414494), (10028, 2047071), (15042, 1364714), (17004, 1207247), (30084, 682357), (32591, 629868), (52489, 391092), (65182, 314934), (97773, 209956), (104978, 195546), (130364, 157467)]