20145803724

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{691}}^1\times {\mathrm{1879}}^1$

素因数の和:3011

約数の個数: 72

約数和(自身を含む): 51143339520

約数和(自身を除く): 30997535796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 691, 862, 1293, 1382, 1724, 1879, 2073, 2586, 2764, 3758, 3879, 4146, 5172, 5637, 6219, 7516, 7758, 8292, 11274, 12438, 15516, 16911, 22548, 24876, 33822, 67644, 297821, 595642, 809849, 893463, 1191284, 1298389, 1619698, 1786926, 2429547, 2596778, 2680389, 3239396, 3573852, 3895167, 4859094, 5193556, 5360778, 7288641, 7790334, 9718188, 10721556, 11685501, 14577282, 15580668, 23371002, 29154564, 46742004, 559605659, 1119211318, 1678816977, 2238422636, 3357633954, 5036450931, 6715267908, 10072901862, 20145803724]

約数ペア:

[(1, 20145803724), (2, 10072901862), (3, 6715267908), (4, 5036450931), (6, 3357633954), (9, 2238422636), (12, 1678816977), (18, 1119211318), (36, 559605659), (431, 46742004), (691, 29154564), (862, 23371002), (1293, 15580668), (1382, 14577282), (1724, 11685501), (1879, 10721556), (2073, 9718188), (2586, 7790334), (2764, 7288641), (3758, 5360778), (3879, 5193556), (4146, 4859094), (5172, 3895167), (5637, 3573852), (6219, 3239396), (7516, 2680389), (7758, 2596778), (8292, 2429547), (11274, 1786926), (12438, 1619698), (15516, 1298389), (16911, 1191284), (22548, 893463), (24876, 809849), (33822, 595642), (67644, 297821)]