20005925964

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{5009}}^1$

素因数の和:5567

約数の個数: 96

約数和(自身を含む): 50500800000

約数和(自身を除く): 30494874036

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 499, 667, 998, 1334, 1497, 1996, 2001, 2668, 2994, 4002, 5009, 5988, 8004, 10018, 11477, 14471, 15027, 20036, 22954, 28942, 30054, 34431, 43413, 45908, 57884, 60108, 68862, 86826, 115207, 137724, 145261, 173652, 230414, 290522, 332833, 345621, 435783, 460828, 581044, 665666, 691242, 871566, 998499, 1331332, 1382484, 1743132, 1996998, 2499491, 3341003, 3993996, 4998982, 6682006, 7498473, 9997964, 10023009, 13364012, 14996946, 20046018, 29993892, 40092036, 57488293, 72485239, 114976586, 144970478, 172464879, 217455717, 229953172, 289940956, 344929758, 434911434, 689859516, 869822868, 1667160497, 3334320994, 5001481491, 6668641988, 10002962982, 20005925964]

約数ペア:

[(1, 20005925964), (2, 10002962982), (3, 6668641988), (4, 5001481491), (6, 3334320994), (12, 1667160497), (23, 869822868), (29, 689859516), (46, 434911434), (58, 344929758), (69, 289940956), (87, 229953172), (92, 217455717), (116, 172464879), (138, 144970478), (174, 114976586), (276, 72485239), (348, 57488293), (499, 40092036), (667, 29993892), (998, 20046018), (1334, 14996946), (1497, 13364012), (1996, 10023009), (2001, 9997964), (2668, 7498473), (2994, 6682006), (4002, 4998982), (5009, 3993996), (5988, 3341003), (8004, 2499491), (10018, 1996998), (11477, 1743132), (14471, 1382484), (15027, 1331332), (20036, 998499), (22954, 871566), (28942, 691242), (30054, 665666), (34431, 581044), (43413, 460828), (45908, 435783), (57884, 345621), (60108, 332833), (68862, 290522), (86826, 230414), (115207, 173652), (137724, 145261)]