20484900

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{281}}^1$

素因数の和:313

約数の個数: 126

約数和(自身を含む): 66885042

約数和(自身を除く): 46400142

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 281, 300, 324, 405, 450, 486, 540, 562, 675, 729, 810, 843, 900, 972, 1124, 1215, 1350, 1405, 1458, 1620, 1686, 2025, 2430, 2529, 2700, 2810, 2916, 3372, 3645, 4050, 4215, 4860, 5058, 5620, 6075, 7025, 7290, 7587, 8100, 8430, 10116, 12150, 12645, 14050, 14580, 15174, 16860, 18225, 21075, 22761, 24300, 25290, 28100, 30348, 36450, 37935, 42150, 45522, 50580, 63225, 68283, 72900, 75870, 84300, 91044, 113805, 126450, 136566, 151740, 189675, 204849, 227610, 252900, 273132, 341415, 379350, 409698, 455220, 569025, 682830, 758700, 819396, 1024245, 1138050, 1365660, 1707075, 2048490, 2276100, 3414150, 4096980, 5121225, 6828300, 10242450, 20484900]

約数ペア:

[(1, 20484900), (2, 10242450), (3, 6828300), (4, 5121225), (5, 4096980), (6, 3414150), (9, 2276100), (10, 2048490), (12, 1707075), (15, 1365660), (18, 1138050), (20, 1024245), (25, 819396), (27, 758700), (30, 682830), (36, 569025), (45, 455220), (50, 409698), (54, 379350), (60, 341415), (75, 273132), (81, 252900), (90, 227610), (100, 204849), (108, 189675), (135, 151740), (150, 136566), (162, 126450), (180, 113805), (225, 91044), (243, 84300), (270, 75870), (281, 72900), (300, 68283), (324, 63225), (405, 50580), (450, 45522), (486, 42150), (540, 37935), (562, 36450), (675, 30348), (729, 28100), (810, 25290), (843, 24300), (900, 22761), (972, 21075), (1124, 18225), (1215, 16860), (1350, 15174), (1405, 14580), (1458, 14050), (1620, 12645), (1686, 12150), (2025, 10116), (2430, 8430), (2529, 8100), (2700, 7587), (2810, 7290), (2916, 7025), (3372, 6075), (3645, 5620), (4050, 5058), (4215, 4860)]