20344518128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1\times {\mathrm{3853}}^1$

素因数の和:5470

約数の個数: 80

約数和(自身を含む): 45304540800

約数和(自身を除く): 24960022672

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1579, 1672, 3158, 3344, 3853, 6316, 7706, 12632, 15412, 17369, 25264, 30001, 30824, 34738, 42383, 60002, 61648, 69476, 73207, 84766, 120004, 138952, 146414, 169532, 240008, 277904, 292828, 330011, 339064, 480016, 585656, 660022, 678128, 805277, 1171312, 1320044, 1610554, 2640088, 3221108, 5280176, 6083887, 6442216, 12167774, 12884432, 24335548, 48671096, 66922757, 97342192, 115593853, 133845514, 231187706, 267691028, 462375412, 535382056, 924750824, 1070764112, 1271532383, 1849501648, 2543064766, 5086129532, 10172259064, 20344518128]

約数ペア:

[(1, 20344518128), (2, 10172259064), (4, 5086129532), (8, 2543064766), (11, 1849501648), (16, 1271532383), (19, 1070764112), (22, 924750824), (38, 535382056), (44, 462375412), (76, 267691028), (88, 231187706), (152, 133845514), (176, 115593853), (209, 97342192), (304, 66922757), (418, 48671096), (836, 24335548), (1579, 12884432), (1672, 12167774), (3158, 6442216), (3344, 6083887), (3853, 5280176), (6316, 3221108), (7706, 2640088), (12632, 1610554), (15412, 1320044), (17369, 1171312), (25264, 805277), (30001, 678128), (30824, 660022), (34738, 585656), (42383, 480016), (60002, 339064), (61648, 330011), (69476, 292828), (73207, 277904), (84766, 240008), (120004, 169532), (138952, 146414)]