20892717885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{153719}}^1$

素因数の和:153798

約数の個数: 64

約数和(自身を含む): 39047339520

約数和(自身を除く): 18154621635

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 255, 533, 615, 663, 697, 1105, 1599, 2091, 2665, 3315, 3485, 7995, 9061, 10455, 27183, 45305, 135915, 153719, 461157, 768595, 1998347, 2305785, 2613223, 5995041, 6302479, 7839669, 9991735, 13066115, 18907437, 29975205, 31512395, 33971899, 39198345, 81932227, 94537185, 101915697, 107142143, 169859495, 245796681, 321426429, 409661135, 509578485, 535710715, 1228983405, 1392847859, 1607132145, 4178543577, 6964239295, 20892717885]

約数ペア:

[(1, 20892717885), (3, 6964239295), (5, 4178543577), (13, 1607132145), (15, 1392847859), (17, 1228983405), (39, 535710715), (41, 509578485), (51, 409661135), (65, 321426429), (85, 245796681), (123, 169859495), (195, 107142143), (205, 101915697), (221, 94537185), (255, 81932227), (533, 39198345), (615, 33971899), (663, 31512395), (697, 29975205), (1105, 18907437), (1599, 13066115), (2091, 9991735), (2665, 7839669), (3315, 6302479), (3485, 5995041), (7995, 2613223), (9061, 2305785), (10455, 1998347), (27183, 768595), (45305, 461157), (135915, 153719)]