20118953855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3803}}^1$

素因数の和:3997

約数の個数: 96

約数和(自身を含む): 33221518848

約数和(自身を除く): 13102564993

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 151, 245, 385, 455, 539, 637, 715, 755, 1001, 1057, 1661, 1963, 2695, 3185, 3803, 5005, 5285, 7007, 7399, 8305, 9815, 11627, 13741, 19015, 21593, 26621, 35035, 36995, 41833, 49439, 58135, 68705, 81389, 96187, 107965, 133105, 151151, 186347, 209165, 247195, 292831, 346073, 406945, 480935, 543829, 574253, 755755, 931735, 1058057, 1464155, 1730365, 2049817, 2422511, 2719145, 2871265, 3806803, 4019771, 5290285, 6316783, 7465289, 10249085, 12112555, 19034015, 20098855, 26647621, 28138397, 31583915, 37326445, 44217481, 52257023, 82118179, 133238105, 140691985, 221087405, 261285115, 309522367, 365799161, 410590895, 574827253, 1547611835, 1828995805, 2874136265, 4023790771, 20118953855]

約数ペア:

[(1, 20118953855), (5, 4023790771), (7, 2874136265), (11, 1828995805), (13, 1547611835), (35, 574827253), (49, 410590895), (55, 365799161), (65, 309522367), (77, 261285115), (91, 221087405), (143, 140691985), (151, 133238105), (245, 82118179), (385, 52257023), (455, 44217481), (539, 37326445), (637, 31583915), (715, 28138397), (755, 26647621), (1001, 20098855), (1057, 19034015), (1661, 12112555), (1963, 10249085), (2695, 7465289), (3185, 6316783), (3803, 5290285), (5005, 4019771), (5285, 3806803), (7007, 2871265), (7399, 2719145), (8305, 2422511), (9815, 2049817), (11627, 1730365), (13741, 1464155), (19015, 1058057), (21593, 931735), (26621, 755755), (35035, 574253), (36995, 543829), (41833, 480935), (49439, 406945), (58135, 346073), (68705, 292831), (81389, 247195), (96187, 209165), (107965, 186347), (133105, 151151)]