20853450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:314

約数の個数: 120

約数和(自身を含む): 61216320

約数和(自身を除く): 40362870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 81, 90, 95, 114, 135, 150, 162, 171, 190, 225, 270, 271, 285, 342, 405, 450, 475, 513, 542, 570, 675, 810, 813, 855, 950, 1026, 1350, 1355, 1425, 1539, 1626, 1710, 2025, 2439, 2565, 2710, 2850, 3078, 4050, 4065, 4275, 4878, 5130, 5149, 6775, 7317, 7695, 8130, 8550, 10298, 12195, 12825, 13550, 14634, 15390, 15447, 20325, 21951, 24390, 25650, 25745, 30894, 36585, 38475, 40650, 43902, 46341, 51490, 60975, 73170, 76950, 77235, 92682, 109755, 121950, 128725, 139023, 154470, 182925, 219510, 231705, 257450, 278046, 365850, 386175, 417069, 463410, 548775, 695115, 772350, 834138, 1097550, 1158525, 1390230, 2085345, 2317050, 3475575, 4170690, 6951150, 10426725, 20853450]

約数ペア:

[(1, 20853450), (2, 10426725), (3, 6951150), (5, 4170690), (6, 3475575), (9, 2317050), (10, 2085345), (15, 1390230), (18, 1158525), (19, 1097550), (25, 834138), (27, 772350), (30, 695115), (38, 548775), (45, 463410), (50, 417069), (54, 386175), (57, 365850), (75, 278046), (81, 257450), (90, 231705), (95, 219510), (114, 182925), (135, 154470), (150, 139023), (162, 128725), (171, 121950), (190, 109755), (225, 92682), (270, 77235), (271, 76950), (285, 73170), (342, 60975), (405, 51490), (450, 46341), (475, 43902), (513, 40650), (542, 38475), (570, 36585), (675, 30894), (810, 25745), (813, 25650), (855, 24390), (950, 21951), (1026, 20325), (1350, 15447), (1355, 15390), (1425, 14634), (1539, 13550), (1626, 12825), (1710, 12195), (2025, 10298), (2439, 8550), (2565, 8130), (2710, 7695), (2850, 7317), (3078, 6775), (4050, 5149), (4065, 5130), (4275, 4878)]