20338976

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 29012704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 56, 58, 62, 101, 112, 116, 124, 202, 203, 217, 224, 232, 248, 404, 406, 434, 464, 496, 707, 808, 812, 868, 899, 928, 992, 1414, 1616, 1624, 1736, 1798, 2828, 2929, 3131, 3232, 3248, 3472, 3596, 5656, 5858, 6262, 6293, 6496, 6944, 7192, 11312, 11716, 12524, 12586, 14384, 20503, 21917, 22624, 23432, 25048, 25172, 28768, 41006, 43834, 46864, 50096, 50344, 82012, 87668, 90799, 93728, 100192, 100688, 164024, 175336, 181598, 201376, 328048, 350672, 363196, 635593, 656096, 701344, 726392, 1271186, 1452784, 2542372, 2905568, 5084744, 10169488, 20338976]

約数ペア:

[(1, 20338976), (2, 10169488), (4, 5084744), (7, 2905568), (8, 2542372), (14, 1452784), (16, 1271186), (28, 726392), (29, 701344), (31, 656096), (32, 635593), (56, 363196), (58, 350672), (62, 328048), (101, 201376), (112, 181598), (116, 175336), (124, 164024), (202, 100688), (203, 100192), (217, 93728), (224, 90799), (232, 87668), (248, 82012), (404, 50344), (406, 50096), (434, 46864), (464, 43834), (496, 41006), (707, 28768), (808, 25172), (812, 25048), (868, 23432), (899, 22624), (928, 21917), (992, 20503), (1414, 14384), (1616, 12586), (1624, 12524), (1736, 11716), (1798, 11312), (2828, 7192), (2929, 6944), (3131, 6496), (3232, 6293), (3248, 6262), (3472, 5858), (3596, 5656)]