20100265740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{444893}}^1$

素因数の和:445159

約数の個数: 72

約数和(自身を含む): 61213855248

約数和(自身を除く): 41113589508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 9036, 11295, 15060, 22590, 45180, 444893, 889786, 1334679, 1779572, 2224465, 2669358, 4004037, 4448930, 5338716, 6673395, 8008074, 8897860, 13346790, 16016148, 20020185, 26693580, 40040370, 80080740, 111668143, 223336286, 335004429, 446672572, 558340715, 670008858, 1005013287, 1116681430, 1340017716, 1675022145, 2010026574, 2233362860, 3350044290, 4020053148, 5025066435, 6700088580, 10050132870, 20100265740]

約数ペア:

[(1, 20100265740), (2, 10050132870), (3, 6700088580), (4, 5025066435), (5, 4020053148), (6, 3350044290), (9, 2233362860), (10, 2010026574), (12, 1675022145), (15, 1340017716), (18, 1116681430), (20, 1005013287), (30, 670008858), (36, 558340715), (45, 446672572), (60, 335004429), (90, 223336286), (180, 111668143), (251, 80080740), (502, 40040370), (753, 26693580), (1004, 20020185), (1255, 16016148), (1506, 13346790), (2259, 8897860), (2510, 8008074), (3012, 6673395), (3765, 5338716), (4518, 4448930), (5020, 4004037), (7530, 2669358), (9036, 2224465), (11295, 1779572), (15060, 1334679), (22590, 889786), (45180, 444893)]