20199290979

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{7351}}^1$

素因数の和:7600

約数の個数: 64

約数和(自身を含む): 33539235840

約数和(自身を除く): 13339944861

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 179, 301, 357, 537, 731, 903, 1253, 2193, 3043, 3759, 5117, 7351, 7697, 9129, 15351, 21301, 22053, 23091, 51457, 53879, 63903, 124967, 130849, 154371, 161637, 316093, 374901, 392547, 874769, 915943, 948279, 1315829, 2212651, 2624307, 2747829, 3947487, 5373581, 6637953, 9210803, 16120743, 22369093, 27632409, 37615067, 56580647, 67107279, 112845201, 156583651, 169741941, 396064529, 469750953, 961870999, 1188193587, 2885612997, 6733096993, 20199290979]

約数ペア:

[(1, 20199290979), (3, 6733096993), (7, 2885612997), (17, 1188193587), (21, 961870999), (43, 469750953), (51, 396064529), (119, 169741941), (129, 156583651), (179, 112845201), (301, 67107279), (357, 56580647), (537, 37615067), (731, 27632409), (903, 22369093), (1253, 16120743), (2193, 9210803), (3043, 6637953), (3759, 5373581), (5117, 3947487), (7351, 2747829), (7697, 2624307), (9129, 2212651), (15351, 1315829), (21301, 948279), (22053, 915943), (23091, 874769), (51457, 392547), (53879, 374901), (63903, 316093), (124967, 161637), (130849, 154371)]