20136907575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{6143}}^1$

素因数の和:7033

約数の個数: 72

約数和(自身を含む): 38239838208

約数和(自身を除く): 18102930633

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 857, 1275, 2571, 3825, 4285, 6143, 7713, 12855, 14569, 18429, 21425, 30715, 38565, 43707, 55287, 64275, 72845, 92145, 104431, 131121, 153575, 192825, 218535, 276435, 313293, 364225, 460725, 522155, 655605, 939879, 1092675, 1382175, 1566465, 2610775, 3278025, 4699395, 5264551, 7832325, 15793653, 23496975, 26322755, 47380959, 78968265, 89497367, 131613775, 236904795, 268492101, 394841325, 447486835, 805476303, 1184523975, 1342460505, 2237434175, 4027381515, 6712302525, 20136907575]

約数ペア:

[(1, 20136907575), (3, 6712302525), (5, 4027381515), (9, 2237434175), (15, 1342460505), (17, 1184523975), (25, 805476303), (45, 447486835), (51, 394841325), (75, 268492101), (85, 236904795), (153, 131613775), (225, 89497367), (255, 78968265), (425, 47380959), (765, 26322755), (857, 23496975), (1275, 15793653), (2571, 7832325), (3825, 5264551), (4285, 4699395), (6143, 3278025), (7713, 2610775), (12855, 1566465), (14569, 1382175), (18429, 1092675), (21425, 939879), (30715, 655605), (38565, 522155), (43707, 460725), (55287, 364225), (64275, 313293), (72845, 276435), (92145, 218535), (104431, 192825), (131121, 153575)]