20141957920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{18521}}^1$

素因数の和:19514

約数の個数: 96

約数和(自身を含む): 54442233216

約数和(自身を除く): 34300275296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 971, 1120, 1942, 3884, 4855, 6797, 7768, 9710, 13594, 15536, 18521, 19420, 27188, 31072, 33985, 37042, 38840, 54376, 67970, 74084, 77680, 92605, 108752, 129647, 135940, 148168, 155360, 185210, 217504, 259294, 271880, 296336, 370420, 518588, 543760, 592672, 648235, 740840, 1037176, 1087520, 1296470, 1481680, 2074352, 2592940, 2963360, 4148704, 5185880, 10371760, 17983891, 20743520, 35967782, 71935564, 89919455, 125887237, 143871128, 179838910, 251774474, 287742256, 359677820, 503548948, 575484512, 629436185, 719355640, 1007097896, 1258872370, 1438711280, 2014195792, 2517744740, 2877422560, 4028391584, 5035489480, 10070978960, 20141957920]

約数ペア:

[(1, 20141957920), (2, 10070978960), (4, 5035489480), (5, 4028391584), (7, 2877422560), (8, 2517744740), (10, 2014195792), (14, 1438711280), (16, 1258872370), (20, 1007097896), (28, 719355640), (32, 629436185), (35, 575484512), (40, 503548948), (56, 359677820), (70, 287742256), (80, 251774474), (112, 179838910), (140, 143871128), (160, 125887237), (224, 89919455), (280, 71935564), (560, 35967782), (971, 20743520), (1120, 17983891), (1942, 10371760), (3884, 5185880), (4855, 4148704), (6797, 2963360), (7768, 2592940), (9710, 2074352), (13594, 1481680), (15536, 1296470), (18521, 1087520), (19420, 1037176), (27188, 740840), (31072, 648235), (33985, 592672), (37042, 543760), (38840, 518588), (54376, 370420), (67970, 296336), (74084, 271880), (77680, 259294), (92605, 217504), (108752, 185210), (129647, 155360), (135940, 148168)]