20001452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 19643188

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 113, 137, 226, 274, 323, 452, 548, 646, 1292, 1921, 2147, 2329, 2603, 3842, 4294, 4658, 5206, 7684, 8588, 9316, 10412, 15481, 30962, 36499, 44251, 61924, 72998, 88502, 145996, 177004, 263177, 294139, 526354, 588278, 1052708, 1176556, 5000363, 10000726, 20001452]

約数ペア:

[(1, 20001452), (2, 10000726), (4, 5000363), (17, 1176556), (19, 1052708), (34, 588278), (38, 526354), (68, 294139), (76, 263177), (113, 177004), (137, 145996), (226, 88502), (274, 72998), (323, 61924), (452, 44251), (548, 36499), (646, 30962), (1292, 15481), (1921, 10412), (2147, 9316), (2329, 8588), (2603, 7684), (3842, 5206), (4294, 4658)]