20201233640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3761}}^1\times {\mathrm{19183}}^1$

素因数の和:22962

約数の個数: 64

約数和(自身を含む): 51962549760

約数和(自身を除く): 31761316120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3761, 7522, 15044, 18805, 19183, 26327, 30088, 37610, 38366, 52654, 75220, 76732, 95915, 105308, 131635, 134281, 150440, 153464, 191830, 210616, 263270, 268562, 383660, 526540, 537124, 671405, 767320, 1053080, 1074248, 1342810, 2685620, 5371240, 72147263, 144294526, 288589052, 360736315, 505030841, 577178104, 721472630, 1010061682, 1442945260, 2020123364, 2525154205, 2885890520, 4040246728, 5050308410, 10100616820, 20201233640]

約数ペア:

[(1, 20201233640), (2, 10100616820), (4, 5050308410), (5, 4040246728), (7, 2885890520), (8, 2525154205), (10, 2020123364), (14, 1442945260), (20, 1010061682), (28, 721472630), (35, 577178104), (40, 505030841), (56, 360736315), (70, 288589052), (140, 144294526), (280, 72147263), (3761, 5371240), (7522, 2685620), (15044, 1342810), (18805, 1074248), (19183, 1053080), (26327, 767320), (30088, 671405), (37610, 537124), (38366, 526540), (52654, 383660), (75220, 268562), (76732, 263270), (95915, 210616), (105308, 191830), (131635, 153464), (134281, 150440)]