20281783728

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{21601}}^1$

素因数の和:22274

約数の個数: 80

約数和(自身を含む): 54172977152

約数和(自身を除く): 33891193424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 631, 744, 1262, 1488, 1893, 2524, 3786, 5048, 7572, 10096, 15144, 19561, 21601, 30288, 39122, 43202, 58683, 64803, 78244, 86404, 117366, 129606, 156488, 172808, 234732, 259212, 312976, 345616, 469464, 518424, 669631, 938928, 1036848, 1339262, 2008893, 2678524, 4017786, 5357048, 8035572, 10714096, 13630231, 16071144, 27260462, 32142288, 40890693, 54520924, 81781386, 109041848, 163562772, 218083696, 327125544, 422537161, 654251088, 845074322, 1267611483, 1690148644, 2535222966, 3380297288, 5070445932, 6760594576, 10140891864, 20281783728]

約数ペア:

[(1, 20281783728), (2, 10140891864), (3, 6760594576), (4, 5070445932), (6, 3380297288), (8, 2535222966), (12, 1690148644), (16, 1267611483), (24, 845074322), (31, 654251088), (48, 422537161), (62, 327125544), (93, 218083696), (124, 163562772), (186, 109041848), (248, 81781386), (372, 54520924), (496, 40890693), (631, 32142288), (744, 27260462), (1262, 16071144), (1488, 13630231), (1893, 10714096), (2524, 8035572), (3786, 5357048), (5048, 4017786), (7572, 2678524), (10096, 2008893), (15144, 1339262), (19561, 1036848), (21601, 938928), (30288, 669631), (39122, 518424), (43202, 469464), (58683, 345616), (64803, 312976), (78244, 259212), (86404, 234732), (117366, 172808), (129606, 156488)]