20201696100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{54881}}^1$

素因数の和:55310

約数の個数: 108

約数和(自身を含む): 63477070020

約数和(自身を除く): 43275373920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 409, 450, 818, 900, 1227, 1636, 2045, 2454, 3681, 4090, 4908, 6135, 7362, 8180, 10225, 12270, 14724, 18405, 20450, 24540, 30675, 36810, 40900, 54881, 61350, 73620, 92025, 109762, 122700, 164643, 184050, 219524, 274405, 329286, 368100, 493929, 548810, 658572, 823215, 987858, 1097620, 1372025, 1646430, 1975716, 2469645, 2744050, 3292860, 4116075, 4939290, 5488100, 8232150, 9878580, 12348225, 16464300, 22446329, 24696450, 44892658, 49392900, 67338987, 89785316, 112231645, 134677974, 202016961, 224463290, 269355948, 336694935, 404033922, 448926580, 561158225, 673389870, 808067844, 1010084805, 1122316450, 1346779740, 1683474675, 2020169610, 2244632900, 3366949350, 4040339220, 5050424025, 6733898700, 10100848050, 20201696100]

約数ペア:

[(1, 20201696100), (2, 10100848050), (3, 6733898700), (4, 5050424025), (5, 4040339220), (6, 3366949350), (9, 2244632900), (10, 2020169610), (12, 1683474675), (15, 1346779740), (18, 1122316450), (20, 1010084805), (25, 808067844), (30, 673389870), (36, 561158225), (45, 448926580), (50, 404033922), (60, 336694935), (75, 269355948), (90, 224463290), (100, 202016961), (150, 134677974), (180, 112231645), (225, 89785316), (300, 67338987), (409, 49392900), (450, 44892658), (818, 24696450), (900, 22446329), (1227, 16464300), (1636, 12348225), (2045, 9878580), (2454, 8232150), (3681, 5488100), (4090, 4939290), (4908, 4116075), (6135, 3292860), (7362, 2744050), (8180, 2469645), (10225, 1975716), (12270, 1646430), (14724, 1372025), (18405, 1097620), (20450, 987858), (24540, 823215), (30675, 658572), (36810, 548810), (40900, 493929), (54881, 368100), (61350, 329286), (73620, 274405), (92025, 219524), (109762, 184050), (122700, 164643)]