20140304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 21419536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 683, 776, 1366, 1552, 1843, 2732, 3686, 5464, 7372, 10928, 12977, 14744, 25954, 29488, 51908, 66251, 103816, 132502, 207632, 265004, 530008, 1060016, 1258769, 2517538, 5035076, 10070152, 20140304]

約数ペア:

[(1, 20140304), (2, 10070152), (4, 5035076), (8, 2517538), (16, 1258769), (19, 1060016), (38, 530008), (76, 265004), (97, 207632), (152, 132502), (194, 103816), (304, 66251), (388, 51908), (683, 29488), (776, 25954), (1366, 14744), (1552, 12977), (1843, 10928), (2732, 7372), (3686, 5464)]