20657181948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{24691}}^1$

素因数の和:24915

約数の個数: 96

約数和(自身を含む): 53894141952

約数和(自身を除く): 33236960004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 173, 186, 346, 372, 403, 519, 692, 806, 1038, 1209, 1612, 2076, 2249, 2418, 4498, 4836, 5363, 6747, 8996, 10726, 13494, 16089, 21452, 24691, 26988, 32178, 49382, 64356, 69719, 74073, 98764, 139438, 148146, 209157, 278876, 296292, 320983, 418314, 641966, 765421, 836628, 962949, 1283932, 1530842, 1925898, 2296263, 3061684, 3851796, 4271543, 4592526, 8543086, 9185052, 9950473, 12814629, 17086172, 19900946, 25629258, 29851419, 39801892, 51258516, 55530059, 59702838, 111060118, 119405676, 132417833, 166590177, 222120236, 264835666, 333180354, 397253499, 529671332, 666360708, 794506998, 1589013996, 1721431829, 3442863658, 5164295487, 6885727316, 10328590974, 20657181948]

約数ペア:

[(1, 20657181948), (2, 10328590974), (3, 6885727316), (4, 5164295487), (6, 3442863658), (12, 1721431829), (13, 1589013996), (26, 794506998), (31, 666360708), (39, 529671332), (52, 397253499), (62, 333180354), (78, 264835666), (93, 222120236), (124, 166590177), (156, 132417833), (173, 119405676), (186, 111060118), (346, 59702838), (372, 55530059), (403, 51258516), (519, 39801892), (692, 29851419), (806, 25629258), (1038, 19900946), (1209, 17086172), (1612, 12814629), (2076, 9950473), (2249, 9185052), (2418, 8543086), (4498, 4592526), (4836, 4271543), (5363, 3851796), (6747, 3061684), (8996, 2296263), (10726, 1925898), (13494, 1530842), (16089, 1283932), (21452, 962949), (24691, 836628), (26988, 765421), (32178, 641966), (49382, 418314), (64356, 320983), (69719, 296292), (74073, 278876), (98764, 209157), (139438, 148146)]