20407029279

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{22783}}^1$

素因数の和:23016

約数の個数: 64

約数和(自身を含む): 35643654144

約数和(自身を除く): 15236624865

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 193, 221, 273, 357, 579, 663, 1351, 1547, 2509, 3281, 4053, 4641, 7527, 9843, 17563, 22783, 22967, 42653, 52689, 68349, 68901, 127959, 159481, 296179, 298571, 387311, 478443, 888537, 895713, 1161933, 2073253, 2711177, 4397119, 5035043, 6219759, 8133531, 13191357, 15105129, 30779833, 35245301, 57162547, 74751023, 92339499, 105735903, 171487641, 224253069, 400137829, 523257161, 971763299, 1200413487, 1569771483, 2915289897, 6802343093, 20407029279]

約数ペア:

[(1, 20407029279), (3, 6802343093), (7, 2915289897), (13, 1569771483), (17, 1200413487), (21, 971763299), (39, 523257161), (51, 400137829), (91, 224253069), (119, 171487641), (193, 105735903), (221, 92339499), (273, 74751023), (357, 57162547), (579, 35245301), (663, 30779833), (1351, 15105129), (1547, 13191357), (2509, 8133531), (3281, 6219759), (4053, 5035043), (4641, 4397119), (7527, 2711177), (9843, 2073253), (17563, 1161933), (22783, 895713), (22967, 888537), (42653, 478443), (52689, 387311), (68349, 298571), (68901, 296179), (127959, 159481)]