20161358888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{415801}}^1$

素因数の和:415866

約数の個数: 64

約数和(自身を含む): 44906616000

約数和(自身を除く): 24745257112

約数列:

[1, 2, 4, 8, 11, 19, 22, 29, 38, 44, 58, 76, 88, 116, 152, 209, 232, 319, 418, 551, 638, 836, 1102, 1276, 1672, 2204, 2552, 4408, 6061, 12122, 24244, 48488, 415801, 831602, 1663204, 3326408, 4573811, 7900219, 9147622, 12058229, 15800438, 18295244, 24116458, 31600876, 36590488, 48232916, 63201752, 86902409, 96465832, 132640519, 173804818, 229106351, 265281038, 347609636, 458212702, 530562076, 695219272, 916425404, 1061124152, 1832850808, 2520169861, 5040339722, 10080679444, 20161358888]

約数ペア:

[(1, 20161358888), (2, 10080679444), (4, 5040339722), (8, 2520169861), (11, 1832850808), (19, 1061124152), (22, 916425404), (29, 695219272), (38, 530562076), (44, 458212702), (58, 347609636), (76, 265281038), (88, 229106351), (116, 173804818), (152, 132640519), (209, 96465832), (232, 86902409), (319, 63201752), (418, 48232916), (551, 36590488), (638, 31600876), (836, 24116458), (1102, 18295244), (1276, 15800438), (1672, 12058229), (2204, 9147622), (2552, 7900219), (4408, 4573811), (6061, 3326408), (12122, 1663204), (24244, 831602), (48488, 415801)]