20714940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:713

約数の個数: 120

約数和(自身を含む): 68505360

約数和(自身を除く): 47790420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 673, 684, 810, 855, 1026, 1140, 1346, 1539, 1620, 1710, 2019, 2052, 2565, 2692, 3078, 3365, 3420, 4038, 5130, 6057, 6156, 6730, 7695, 8076, 10095, 10260, 12114, 12787, 13460, 15390, 18171, 20190, 24228, 25574, 30285, 30780, 36342, 38361, 40380, 51148, 54513, 60570, 63935, 72684, 76722, 90855, 109026, 115083, 121140, 127870, 153444, 181710, 191805, 218052, 230166, 255740, 272565, 345249, 363420, 383610, 460332, 545130, 575415, 690498, 767220, 1035747, 1090260, 1150830, 1380996, 1726245, 2071494, 2301660, 3452490, 4142988, 5178735, 6904980, 10357470, 20714940]

約数ペア:

[(1, 20714940), (2, 10357470), (3, 6904980), (4, 5178735), (5, 4142988), (6, 3452490), (9, 2301660), (10, 2071494), (12, 1726245), (15, 1380996), (18, 1150830), (19, 1090260), (20, 1035747), (27, 767220), (30, 690498), (36, 575415), (38, 545130), (45, 460332), (54, 383610), (57, 363420), (60, 345249), (76, 272565), (81, 255740), (90, 230166), (95, 218052), (108, 191805), (114, 181710), (135, 153444), (162, 127870), (171, 121140), (180, 115083), (190, 109026), (228, 90855), (270, 76722), (285, 72684), (324, 63935), (342, 60570), (380, 54513), (405, 51148), (513, 40380), (540, 38361), (570, 36342), (673, 30780), (684, 30285), (810, 25574), (855, 24228), (1026, 20190), (1140, 18171), (1346, 15390), (1539, 13460), (1620, 12787), (1710, 12114), (2019, 10260), (2052, 10095), (2565, 8076), (2692, 7695), (3078, 6730), (3365, 6156), (3420, 6057), (4038, 5130)]