20876100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9941}}^1$

素因数の和:9965

約数の個数: 72

約数和(自身を含む): 69037248

約数和(自身を除く): 48161148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9941, 19882, 29823, 39764, 49705, 59646, 69587, 99410, 119292, 139174, 149115, 198820, 208761, 248525, 278348, 298230, 347935, 417522, 497050, 596460, 695870, 745575, 835044, 994100, 1043805, 1391740, 1491150, 1739675, 2087610, 2982300, 3479350, 4175220, 5219025, 6958700, 10438050, 20876100]

約数ペア:

[(1, 20876100), (2, 10438050), (3, 6958700), (4, 5219025), (5, 4175220), (6, 3479350), (7, 2982300), (10, 2087610), (12, 1739675), (14, 1491150), (15, 1391740), (20, 1043805), (21, 994100), (25, 835044), (28, 745575), (30, 695870), (35, 596460), (42, 497050), (50, 417522), (60, 347935), (70, 298230), (75, 278348), (84, 248525), (100, 208761), (105, 198820), (140, 149115), (150, 139174), (175, 119292), (210, 99410), (300, 69587), (350, 59646), (420, 49705), (525, 39764), (700, 29823), (1050, 19882), (2100, 9941)]