20007146872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{9907}}^1$

素因数の和:10132

約数の個数: 64

約数和(自身を含む): 39549565440

約数和(自身を除く): 19542418568

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 131, 164, 188, 262, 328, 376, 524, 1048, 1927, 3854, 5371, 6157, 7708, 9907, 10742, 12314, 15416, 19814, 21484, 24628, 39628, 42968, 49256, 79256, 252437, 406187, 465629, 504874, 812374, 931258, 1009748, 1297817, 1624748, 1862516, 2019496, 2595634, 3249496, 3725032, 5191268, 10382536, 19090789, 38181578, 53210497, 60997399, 76363156, 106420994, 121994798, 152726312, 212841988, 243989596, 425683976, 487979192, 2500893359, 5001786718, 10003573436, 20007146872]

約数ペア:

[(1, 20007146872), (2, 10003573436), (4, 5001786718), (8, 2500893359), (41, 487979192), (47, 425683976), (82, 243989596), (94, 212841988), (131, 152726312), (164, 121994798), (188, 106420994), (262, 76363156), (328, 60997399), (376, 53210497), (524, 38181578), (1048, 19090789), (1927, 10382536), (3854, 5191268), (5371, 3725032), (6157, 3249496), (7708, 2595634), (9907, 2019496), (10742, 1862516), (12314, 1624748), (15416, 1297817), (19814, 1009748), (21484, 931258), (24628, 812374), (39628, 504874), (42968, 465629), (49256, 406187), (79256, 252437)]