20501040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12203}}^1$

素因数の和:12226

約数の個数: 80

約数和(自身を含む): 72638208

約数和(自身を除く): 52137168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12203, 24406, 36609, 48812, 61015, 73218, 85421, 97624, 122030, 146436, 170842, 183045, 195248, 244060, 256263, 292872, 341684, 366090, 427105, 488120, 512526, 585744, 683368, 732180, 854210, 976240, 1025052, 1281315, 1366736, 1464360, 1708420, 2050104, 2562630, 2928720, 3416840, 4100208, 5125260, 6833680, 10250520, 20501040]

約数ペア:

[(1, 20501040), (2, 10250520), (3, 6833680), (4, 5125260), (5, 4100208), (6, 3416840), (7, 2928720), (8, 2562630), (10, 2050104), (12, 1708420), (14, 1464360), (15, 1366736), (16, 1281315), (20, 1025052), (21, 976240), (24, 854210), (28, 732180), (30, 683368), (35, 585744), (40, 512526), (42, 488120), (48, 427105), (56, 366090), (60, 341684), (70, 292872), (80, 256263), (84, 244060), (105, 195248), (112, 183045), (120, 170842), (140, 146436), (168, 122030), (210, 97624), (240, 85421), (280, 73218), (336, 61015), (420, 48812), (560, 36609), (840, 24406), (1680, 12203)]