20810968052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{36457}}^1$

素因数の和:36553

約数の個数: 96

約数和(自身を含む): 46549574400

約数和(自身を除く): 25738606348

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 37, 38, 58, 74, 76, 116, 133, 148, 203, 259, 266, 406, 518, 532, 551, 703, 812, 1036, 1073, 1102, 1406, 2146, 2204, 2812, 3857, 4292, 4921, 7511, 7714, 9842, 15022, 15428, 19684, 20387, 30044, 36457, 40774, 72914, 81548, 142709, 145828, 255199, 285418, 510398, 570836, 692683, 1020796, 1057253, 1348909, 1385366, 2114506, 2697818, 2770732, 4229012, 4848781, 5395636, 7400771, 9442363, 9697562, 14801542, 18884726, 19395124, 20087807, 25629271, 29603084, 37769452, 39118361, 40175614, 51258542, 78236722, 80351228, 102517084, 140614649, 156473444, 179404897, 273828527, 281229298, 358809794, 547657054, 562458596, 717619588, 743248859, 1095314108, 1486497718, 2972995436, 5202742013, 10405484026, 20810968052]

約数ペア:

[(1, 20810968052), (2, 10405484026), (4, 5202742013), (7, 2972995436), (14, 1486497718), (19, 1095314108), (28, 743248859), (29, 717619588), (37, 562458596), (38, 547657054), (58, 358809794), (74, 281229298), (76, 273828527), (116, 179404897), (133, 156473444), (148, 140614649), (203, 102517084), (259, 80351228), (266, 78236722), (406, 51258542), (518, 40175614), (532, 39118361), (551, 37769452), (703, 29603084), (812, 25629271), (1036, 20087807), (1073, 19395124), (1102, 18884726), (1406, 14801542), (2146, 9697562), (2204, 9442363), (2812, 7400771), (3857, 5395636), (4292, 4848781), (4921, 4229012), (7511, 2770732), (7714, 2697818), (9842, 2114506), (15022, 1385366), (15428, 1348909), (19684, 1057253), (20387, 1020796), (30044, 692683), (36457, 570836), (40774, 510398), (72914, 285418), (81548, 255199), (142709, 145828)]