20345696

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1567

約数の個数: 48

約数和(自身を含む): 46559520

約数和(自身を除く): 26213824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1489, 1708, 1952, 2978, 3416, 5956, 6832, 10423, 11912, 13664, 20846, 23824, 41692, 47648, 83384, 90829, 166768, 181658, 333536, 363316, 635803, 726632, 1271606, 1453264, 2543212, 2906528, 5086424, 10172848, 20345696]

約数ペア:

[(1, 20345696), (2, 10172848), (4, 5086424), (7, 2906528), (8, 2543212), (14, 1453264), (16, 1271606), (28, 726632), (32, 635803), (56, 363316), (61, 333536), (112, 181658), (122, 166768), (224, 90829), (244, 83384), (427, 47648), (488, 41692), (854, 23824), (976, 20846), (1489, 13664), (1708, 11912), (1952, 10423), (2978, 6832), (3416, 5956)]