20752380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 70447104

約数和(自身を除く): 49694724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 223, 235, 282, 330, 396, 423, 446, 470, 495, 517, 564, 660, 669, 705, 846, 892, 940, 990, 1034, 1115, 1338, 1410, 1551, 1692, 1980, 2007, 2068, 2115, 2230, 2453, 2585, 2676, 2820, 3102, 3345, 4014, 4230, 4460, 4653, 4906, 5170, 6204, 6690, 7359, 7755, 8028, 8460, 9306, 9812, 10035, 10340, 10481, 12265, 13380, 14718, 15510, 18612, 20070, 20962, 22077, 23265, 24530, 29436, 31020, 31443, 36795, 40140, 41924, 44154, 46530, 49060, 52405, 62886, 73590, 88308, 93060, 94329, 104810, 110385, 115291, 125772, 147180, 157215, 188658, 209620, 220770, 230582, 314430, 345873, 377316, 441540, 461164, 471645, 576455, 628860, 691746, 943290, 1037619, 1152910, 1383492, 1729365, 1886580, 2075238, 2305820, 3458730, 4150476, 5188095, 6917460, 10376190, 20752380]

約数ペア:

[(1, 20752380), (2, 10376190), (3, 6917460), (4, 5188095), (5, 4150476), (6, 3458730), (9, 2305820), (10, 2075238), (11, 1886580), (12, 1729365), (15, 1383492), (18, 1152910), (20, 1037619), (22, 943290), (30, 691746), (33, 628860), (36, 576455), (44, 471645), (45, 461164), (47, 441540), (55, 377316), (60, 345873), (66, 314430), (90, 230582), (94, 220770), (99, 209620), (110, 188658), (132, 157215), (141, 147180), (165, 125772), (180, 115291), (188, 110385), (198, 104810), (220, 94329), (223, 93060), (235, 88308), (282, 73590), (330, 62886), (396, 52405), (423, 49060), (446, 46530), (470, 44154), (495, 41924), (517, 40140), (564, 36795), (660, 31443), (669, 31020), (705, 29436), (846, 24530), (892, 23265), (940, 22077), (990, 20962), (1034, 20070), (1115, 18612), (1338, 15510), (1410, 14718), (1551, 13380), (1692, 12265), (1980, 10481), (2007, 10340), (2068, 10035), (2115, 9812), (2230, 9306), (2453, 8460), (2585, 8028), (2676, 7755), (2820, 7359), (3102, 6690), (3345, 6204), (4014, 5170), (4230, 4906), (4460, 4653)]