20177262532

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263287}}^1$

素因数の和:263345

約数の個数: 72

約数和(自身を含む): 45382425984

約数和(自身を除く): 25205163452

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 161, 196, 238, 322, 391, 476, 644, 782, 833, 1127, 1564, 1666, 2254, 2737, 3332, 4508, 5474, 10948, 19159, 38318, 76636, 263287, 526574, 1053148, 1843009, 3686018, 4475879, 6055601, 7372036, 8951758, 12111202, 12901063, 17903516, 24222404, 25802126, 31331153, 42389207, 51604252, 62662306, 84778414, 102945217, 125324612, 169556828, 205890434, 219318071, 296724449, 411780868, 438636142, 593448898, 720616519, 877272284, 1186897796, 1441233038, 2882466076, 5044315633, 10088631266, 20177262532]

約数ペア:

[(1, 20177262532), (2, 10088631266), (4, 5044315633), (7, 2882466076), (14, 1441233038), (17, 1186897796), (23, 877272284), (28, 720616519), (34, 593448898), (46, 438636142), (49, 411780868), (68, 296724449), (92, 219318071), (98, 205890434), (119, 169556828), (161, 125324612), (196, 102945217), (238, 84778414), (322, 62662306), (391, 51604252), (476, 42389207), (644, 31331153), (782, 25802126), (833, 24222404), (1127, 17903516), (1564, 12901063), (1666, 12111202), (2254, 8951758), (2737, 7372036), (3332, 6055601), (4508, 4475879), (5474, 3686018), (10948, 1843009), (19159, 1053148), (38318, 526574), (76636, 263287)]