20871432

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 60403200

約数和(自身を除く): 39531768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1039, 1116, 1674, 2078, 2232, 2511, 3117, 3348, 4156, 5022, 6234, 6696, 8312, 9351, 10044, 12468, 18702, 20088, 24936, 28053, 32209, 37404, 56106, 64418, 74808, 84159, 96627, 112212, 128836, 168318, 193254, 224424, 257672, 289881, 336636, 386508, 579762, 673272, 773016, 869643, 1159524, 1739286, 2319048, 2608929, 3478572, 5217858, 6957144, 10435716, 20871432]

約数ペア:

[(1, 20871432), (2, 10435716), (3, 6957144), (4, 5217858), (6, 3478572), (8, 2608929), (9, 2319048), (12, 1739286), (18, 1159524), (24, 869643), (27, 773016), (31, 673272), (36, 579762), (54, 386508), (62, 336636), (72, 289881), (81, 257672), (93, 224424), (108, 193254), (124, 168318), (162, 128836), (186, 112212), (216, 96627), (248, 84159), (279, 74808), (324, 64418), (372, 56106), (558, 37404), (648, 32209), (744, 28053), (837, 24936), (1039, 20088), (1116, 18702), (1674, 12468), (2078, 10044), (2232, 9351), (2511, 8312), (3117, 6696), (3348, 6234), (4156, 5022)]