20458545008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1\times {\mathrm{4177}}^1$

素因数の和:5850

約数の個数: 80

約数和(自身を含む): 45824504544

約数和(自身を除く): 25365959536

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 1637, 2992, 3274, 4177, 6548, 8354, 13096, 16708, 18007, 26192, 27829, 33416, 36014, 45947, 55658, 66832, 71009, 72028, 91894, 111316, 142018, 144056, 183788, 222632, 284036, 288112, 306119, 367576, 445264, 568072, 612238, 735152, 781099, 1136144, 1224476, 1562198, 2448952, 3124396, 4897904, 6248792, 6837749, 12497584, 13675498, 27350996, 54701992, 75215239, 109403984, 116241733, 150430478, 232483466, 300860956, 464966932, 601721912, 929933864, 1203443824, 1278659063, 1859867728, 2557318126, 5114636252, 10229272504, 20458545008]

約数ペア:

[(1, 20458545008), (2, 10229272504), (4, 5114636252), (8, 2557318126), (11, 1859867728), (16, 1278659063), (17, 1203443824), (22, 929933864), (34, 601721912), (44, 464966932), (68, 300860956), (88, 232483466), (136, 150430478), (176, 116241733), (187, 109403984), (272, 75215239), (374, 54701992), (748, 27350996), (1496, 13675498), (1637, 12497584), (2992, 6837749), (3274, 6248792), (4177, 4897904), (6548, 3124396), (8354, 2448952), (13096, 1562198), (16708, 1224476), (18007, 1136144), (26192, 781099), (27829, 735152), (33416, 612238), (36014, 568072), (45947, 445264), (55658, 367576), (66832, 306119), (71009, 288112), (72028, 284036), (91894, 222632), (111316, 183788), (142018, 144056)]