20952980416

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{743}}^1\times {\mathrm{11909}}^1$

素因数の和:12701

約数の個数: 56

約数和(自身を含む): 42763379040

約数和(自身を除く): 21810398624

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 743, 1184, 1486, 2368, 2972, 5944, 11888, 11909, 23776, 23818, 27491, 47552, 47636, 54982, 95272, 109964, 190544, 219928, 381088, 439856, 440633, 762176, 879712, 881266, 1759424, 1762532, 3525064, 7050128, 8848387, 14100256, 17696774, 28200512, 35393548, 70787096, 141574192, 283148384, 327390319, 566296768, 654780638, 1309561276, 2619122552, 5238245104, 10476490208, 20952980416]

約数ペア:

[(1, 20952980416), (2, 10476490208), (4, 5238245104), (8, 2619122552), (16, 1309561276), (32, 654780638), (37, 566296768), (64, 327390319), (74, 283148384), (148, 141574192), (296, 70787096), (592, 35393548), (743, 28200512), (1184, 17696774), (1486, 14100256), (2368, 8848387), (2972, 7050128), (5944, 3525064), (11888, 1762532), (11909, 1759424), (23776, 881266), (23818, 879712), (27491, 762176), (47552, 440633), (47636, 439856), (54982, 381088), (95272, 219928), (109964, 190544)]