20551020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 66382848

約数和(自身を除く): 45831828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 293, 334, 420, 501, 586, 668, 835, 879, 1002, 1169, 1172, 1465, 1670, 1758, 2004, 2051, 2338, 2505, 2930, 3340, 3507, 3516, 4102, 4395, 4676, 5010, 5845, 5860, 6153, 7014, 8204, 8790, 10020, 10255, 11690, 12306, 14028, 17535, 17580, 20510, 23380, 24612, 30765, 35070, 41020, 48931, 61530, 70140, 97862, 123060, 146793, 195724, 244655, 293586, 342517, 489310, 587172, 685034, 733965, 978620, 1027551, 1370068, 1467930, 1712585, 2055102, 2935860, 3425170, 4110204, 5137755, 6850340, 10275510, 20551020]

約数ペア:

[(1, 20551020), (2, 10275510), (3, 6850340), (4, 5137755), (5, 4110204), (6, 3425170), (7, 2935860), (10, 2055102), (12, 1712585), (14, 1467930), (15, 1370068), (20, 1027551), (21, 978620), (28, 733965), (30, 685034), (35, 587172), (42, 489310), (60, 342517), (70, 293586), (84, 244655), (105, 195724), (140, 146793), (167, 123060), (210, 97862), (293, 70140), (334, 61530), (420, 48931), (501, 41020), (586, 35070), (668, 30765), (835, 24612), (879, 23380), (1002, 20510), (1169, 17580), (1172, 17535), (1465, 14028), (1670, 12306), (1758, 11690), (2004, 10255), (2051, 10020), (2338, 8790), (2505, 8204), (2930, 7014), (3340, 6153), (3507, 5860), (3516, 5845), (4102, 5010), (4395, 4676)]