20501376

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 44125824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 84, 87, 96, 112, 116, 128, 168, 174, 192, 203, 224, 232, 263, 336, 348, 384, 406, 448, 464, 526, 609, 672, 696, 789, 812, 896, 928, 1052, 1218, 1344, 1392, 1578, 1624, 1841, 1856, 2104, 2436, 2688, 2784, 3156, 3248, 3682, 3712, 4208, 4872, 5523, 5568, 6312, 6496, 7364, 7627, 8416, 9744, 11046, 11136, 12624, 12992, 14728, 15254, 16832, 19488, 22092, 22881, 25248, 25984, 29456, 30508, 33664, 38976, 44184, 45762, 50496, 53389, 58912, 61016, 77952, 88368, 91524, 100992, 106778, 117824, 122032, 160167, 176736, 183048, 213556, 235648, 244064, 320334, 353472, 366096, 427112, 488128, 640668, 706944, 732192, 854224, 976256, 1281336, 1464384, 1708448, 2562672, 2928768, 3416896, 5125344, 6833792, 10250688, 20501376]

約数ペア:

[(1, 20501376), (2, 10250688), (3, 6833792), (4, 5125344), (6, 3416896), (7, 2928768), (8, 2562672), (12, 1708448), (14, 1464384), (16, 1281336), (21, 976256), (24, 854224), (28, 732192), (29, 706944), (32, 640668), (42, 488128), (48, 427112), (56, 366096), (58, 353472), (64, 320334), (84, 244064), (87, 235648), (96, 213556), (112, 183048), (116, 176736), (128, 160167), (168, 122032), (174, 117824), (192, 106778), (203, 100992), (224, 91524), (232, 88368), (263, 77952), (336, 61016), (348, 58912), (384, 53389), (406, 50496), (448, 45762), (464, 44184), (526, 38976), (609, 33664), (672, 30508), (696, 29456), (789, 25984), (812, 25248), (896, 22881), (928, 22092), (1052, 19488), (1218, 16832), (1344, 15254), (1392, 14728), (1578, 12992), (1624, 12624), (1841, 11136), (1856, 11046), (2104, 9744), (2436, 8416), (2688, 7627), (2784, 7364), (3156, 6496), (3248, 6312), (3682, 5568), (3712, 5523), (4208, 4872)]