20403774556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{1319}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 40583854080

約数和(自身を除く): 20180079524

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1031, 1319, 1364, 2062, 2638, 3751, 4124, 5276, 7502, 11341, 14509, 15004, 22682, 29018, 31961, 40889, 45364, 58036, 63922, 81778, 124751, 127844, 159599, 163556, 249502, 319198, 351571, 449779, 499004, 638396, 703142, 899558, 1359889, 1406284, 1799116, 2719778, 3867281, 4947569, 5439556, 7734562, 9895138, 14958779, 15469124, 19790276, 29917558, 42156559, 59835116, 84313118, 164546569, 168626236, 329093138, 463722149, 658186276, 927444298, 1854888596, 5100943639, 10201887278, 20403774556]

約数ペア:

[(1, 20403774556), (2, 10201887278), (4, 5100943639), (11, 1854888596), (22, 927444298), (31, 658186276), (44, 463722149), (62, 329093138), (121, 168626236), (124, 164546569), (242, 84313118), (341, 59835116), (484, 42156559), (682, 29917558), (1031, 19790276), (1319, 15469124), (1364, 14958779), (2062, 9895138), (2638, 7734562), (3751, 5439556), (4124, 4947569), (5276, 3867281), (7502, 2719778), (11341, 1799116), (14509, 1406284), (15004, 1359889), (22682, 899558), (29018, 703142), (31961, 638396), (40889, 499004), (45364, 449779), (58036, 351571), (63922, 319198), (81778, 249502), (124751, 163556), (127844, 159599)]