20350510852

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{54907}}^1$

素因数の和:55017

約数の個数: 72

約数和(自身を含む): 43466051328

約数和(自身を除く): 23115540476

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 427, 434, 854, 868, 1519, 1708, 1891, 2989, 3038, 3782, 5978, 6076, 7564, 11956, 13237, 26474, 52948, 54907, 92659, 109814, 185318, 219628, 370636, 384349, 768698, 1537396, 1702117, 2690443, 3349327, 3404234, 5380886, 6698654, 6808468, 10761772, 11914819, 13397308, 23445289, 23829638, 46890578, 47659276, 83403733, 93781156, 103829137, 164117023, 166807466, 207658274, 328234046, 333614932, 415316548, 656468092, 726803959, 1453607918, 2907215836, 5087627713, 10175255426, 20350510852]

約数ペア:

[(1, 20350510852), (2, 10175255426), (4, 5087627713), (7, 2907215836), (14, 1453607918), (28, 726803959), (31, 656468092), (49, 415316548), (61, 333614932), (62, 328234046), (98, 207658274), (122, 166807466), (124, 164117023), (196, 103829137), (217, 93781156), (244, 83403733), (427, 47659276), (434, 46890578), (854, 23829638), (868, 23445289), (1519, 13397308), (1708, 11914819), (1891, 10761772), (2989, 6808468), (3038, 6698654), (3782, 5380886), (5978, 3404234), (6076, 3349327), (7564, 2690443), (11956, 1702117), (13237, 1537396), (26474, 768698), (52948, 384349), (54907, 370636), (92659, 219628), (109814, 185318)]