20105680892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:2067

約数の個数: 72

約数和(自身を含む): 39227126400

約数和(自身を除く): 19121445508

約数列:

[1, 2, 4, 11, 22, 44, 109, 121, 218, 223, 242, 436, 446, 484, 892, 1199, 1709, 2398, 2453, 3418, 4796, 4906, 6836, 9812, 13189, 18799, 24307, 26378, 26983, 37598, 48614, 52756, 53966, 75196, 97228, 107932, 186281, 206789, 267377, 372562, 381107, 413578, 534754, 745124, 762214, 827156, 1069508, 1524428, 2049091, 2941147, 4098182, 4192177, 5882294, 8196364, 8384354, 11764588, 16768708, 22540001, 41540663, 45080002, 46113947, 83081326, 90160004, 92227894, 166162652, 184455788, 456947293, 913894586, 1827789172, 5026420223, 10052840446, 20105680892]

約数ペア:

[(1, 20105680892), (2, 10052840446), (4, 5026420223), (11, 1827789172), (22, 913894586), (44, 456947293), (109, 184455788), (121, 166162652), (218, 92227894), (223, 90160004), (242, 83081326), (436, 46113947), (446, 45080002), (484, 41540663), (892, 22540001), (1199, 16768708), (1709, 11764588), (2398, 8384354), (2453, 8196364), (3418, 5882294), (4796, 4192177), (4906, 4098182), (6836, 2941147), (9812, 2049091), (13189, 1524428), (18799, 1069508), (24307, 827156), (26378, 762214), (26983, 745124), (37598, 534754), (48614, 413578), (52756, 381107), (53966, 372562), (75196, 267377), (97228, 206789), (107932, 186281)]