20149236825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{687101}}^1$

素因数の和:687154

約数の個数: 48

約数和(自身を含む): 36806679936

約数和(自身を除く): 16657443111

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 5865, 9775, 29325, 687101, 2061303, 3435505, 10306515, 11680717, 15803323, 17177525, 35042151, 47409969, 51532575, 58403585, 79016615, 175210755, 237049845, 268656491, 292017925, 395083075, 805969473, 876053775, 1185249225, 1343282455, 4029847365, 6716412275, 20149236825]

約数ペア:

[(1, 20149236825), (3, 6716412275), (5, 4029847365), (15, 1343282455), (17, 1185249225), (23, 876053775), (25, 805969473), (51, 395083075), (69, 292017925), (75, 268656491), (85, 237049845), (115, 175210755), (255, 79016615), (345, 58403585), (391, 51532575), (425, 47409969), (575, 35042151), (1173, 17177525), (1275, 15803323), (1725, 11680717), (1955, 10306515), (5865, 3435505), (9775, 2061303), (29325, 687101)]