20321625

素因数分解:

$3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1153}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 34564608

約数和(自身を除く): 14242983

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 235, 375, 705, 1153, 1175, 3459, 3525, 5765, 5875, 17295, 17625, 28825, 54191, 86475, 144125, 162573, 270955, 432375, 812865, 1354775, 4064325, 6773875, 20321625]

約数ペア:

[(1, 20321625), (3, 6773875), (5, 4064325), (15, 1354775), (25, 812865), (47, 432375), (75, 270955), (125, 162573), (141, 144125), (235, 86475), (375, 54191), (705, 28825), (1153, 17625), (1175, 17295), (3459, 5875), (3525, 5765)]