20033904

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 59460480

約数和(自身を除く): 39426576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 1997, 2508, 3344, 3994, 5016, 5991, 7988, 10032, 11982, 15976, 21967, 23964, 31952, 37943, 43934, 47928, 65901, 75886, 87868, 95856, 113829, 131802, 151772, 175736, 227658, 263604, 303544, 351472, 417373, 455316, 527208, 607088, 834746, 910632, 1054416, 1252119, 1669492, 1821264, 2504238, 3338984, 5008476, 6677968, 10016952, 20033904]

約数ペア:

[(1, 20033904), (2, 10016952), (3, 6677968), (4, 5008476), (6, 3338984), (8, 2504238), (11, 1821264), (12, 1669492), (16, 1252119), (19, 1054416), (22, 910632), (24, 834746), (33, 607088), (38, 527208), (44, 455316), (48, 417373), (57, 351472), (66, 303544), (76, 263604), (88, 227658), (114, 175736), (132, 151772), (152, 131802), (176, 113829), (209, 95856), (228, 87868), (264, 75886), (304, 65901), (418, 47928), (456, 43934), (528, 37943), (627, 31952), (836, 23964), (912, 21967), (1254, 15976), (1672, 11982), (1997, 10032), (2508, 7988), (3344, 5991), (3994, 5016)]