20157624784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1889}}^1\times {\mathrm{60631}}^1$

素因数の和:62539

約数の個数: 40

約数和(自身を含む): 42629146560

約数和(自身を除く): 22471521776

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1889, 3778, 7556, 15112, 20779, 30224, 41558, 60631, 83116, 121262, 166232, 242524, 332464, 485048, 666941, 970096, 1333882, 2667764, 5335528, 10671056, 114531959, 229063918, 458127836, 916255672, 1259851549, 1832511344, 2519703098, 5039406196, 10078812392, 20157624784]

約数ペア:

[(1, 20157624784), (2, 10078812392), (4, 5039406196), (8, 2519703098), (11, 1832511344), (16, 1259851549), (22, 916255672), (44, 458127836), (88, 229063918), (176, 114531959), (1889, 10671056), (3778, 5335528), (7556, 2667764), (15112, 1333882), (20779, 970096), (30224, 666941), (41558, 485048), (60631, 332464), (83116, 242524), (121262, 166232)]