20492000460

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73973}}^1$

素因数の和:74019

約数の個数: 168

約数和(自身を含む): 67917008880

約数和(自身を除く): 47425008420

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, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 729, 810, 855, 972, 1026, 1140, 1215, 1458, 1539, 1620, 1710, 2052, 2430, 2565, 2916, 3078, 3420, 3645, 4617, 4860, 5130, 6156, 7290, 7695, 9234, 10260, 13851, 14580, 15390, 18468, 23085, 27702, 30780, 46170, 55404, 69255, 73973, 92340, 138510, 147946, 221919, 277020, 295892, 369865, 443838, 665757, 739730, 887676, 1109595, 1331514, 1405487, 1479460, 1997271, 2219190, 2663028, 2810974, 3328785, 3994542, 4216461, 4438380, 5621948, 5991813, 6657570, 7027435, 7989084, 8432922, 9986355, 11983626, 12649383, 13315140, 14054870, 16865844, 17975439, 19972710, 21082305, 23967252, 25298766, 28109740, 29959065, 35950878, 37948149, 39945420, 42164610, 50597532, 53926317, 59918130, 63246915, 71901756, 75896298, 84329220, 89877195, 107852634, 113844447, 119836260, 126493830, 151792596, 179754390, 189740745, 215705268, 227688894, 252987660, 269631585, 341533341, 359508780, 379481490, 455377788, 539263170, 569222235, 683066682, 758962980, 1024600023, 1078526340, 1138444470, 1366133364, 1707666705, 2049200046, 2276888940, 3415333410, 4098400092, 5123000115, 6830666820, 10246000230, 20492000460]

約数ペア:

[(1, 20492000460), (2, 10246000230), (3, 6830666820), (4, 5123000115), (5, 4098400092), (6, 3415333410), (9, 2276888940), (10, 2049200046), (12, 1707666705), (15, 1366133364), (18, 1138444470), (19, 1078526340), (20, 1024600023), (27, 758962980), (30, 683066682), (36, 569222235), (38, 539263170), (45, 455377788), (54, 379481490), (57, 359508780), (60, 341533341), (76, 269631585), (81, 252987660), (90, 227688894), (95, 215705268), (108, 189740745), (114, 179754390), (135, 151792596), (162, 126493830), (171, 119836260), (180, 113844447), (190, 107852634), (228, 89877195), (243, 84329220), (270, 75896298), (285, 71901756), (324, 63246915), (342, 59918130), (380, 53926317), (405, 50597532), (486, 42164610), (513, 39945420), (540, 37948149), (570, 35950878), (684, 29959065), (729, 28109740), (810, 25298766), (855, 23967252), (972, 21082305), (1026, 19972710), (1140, 17975439), (1215, 16865844), (1458, 14054870), (1539, 13315140), (1620, 12649383), (1710, 11983626), (2052, 9986355), (2430, 8432922), (2565, 7989084), (2916, 7027435), (3078, 6657570), (3420, 5991813), (3645, 5621948), (4617, 4438380), (4860, 4216461), (5130, 3994542), (6156, 3328785), (7290, 2810974), (7695, 2663028), (9234, 2219190), (10260, 1997271), (13851, 1479460), (14580, 1405487), (15390, 1331514), (18468, 1109595), (23085, 887676), (27702, 739730), (30780, 665757), (46170, 443838), (55404, 369865), (69255, 295892), (73973, 277020), (92340, 221919), (138510, 147946)]