20177002612

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2287}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 39579251712

約数和(自身を除く): 19402249100

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 421, 676, 806, 842, 1612, 1684, 2287, 4574, 5239, 5473, 9148, 10478, 10946, 13051, 20956, 21892, 26102, 29731, 52204, 59462, 70897, 71149, 118924, 141794, 142298, 169663, 283588, 284596, 339326, 386503, 678652, 773006, 921661, 962827, 1546012, 1843322, 1925654, 2205619, 3686644, 3851308, 4411238, 8822476, 11981593, 12516751, 23963186, 25033502, 29847637, 47926372, 50067004, 59695274, 119390548, 162717763, 325435526, 388019281, 650871052, 776038562, 1552077124, 5044250653, 10088501306, 20177002612]

約数ペア:

[(1, 20177002612), (2, 10088501306), (4, 5044250653), (13, 1552077124), (26, 776038562), (31, 650871052), (52, 388019281), (62, 325435526), (124, 162717763), (169, 119390548), (338, 59695274), (403, 50067004), (421, 47926372), (676, 29847637), (806, 25033502), (842, 23963186), (1612, 12516751), (1684, 11981593), (2287, 8822476), (4574, 4411238), (5239, 3851308), (5473, 3686644), (9148, 2205619), (10478, 1925654), (10946, 1843322), (13051, 1546012), (20956, 962827), (21892, 921661), (26102, 773006), (29731, 678652), (52204, 386503), (59462, 339326), (70897, 284596), (71149, 283588), (118924, 169663), (141794, 142298)]