20842080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6203}}^1$

素因数の和:6228

約数の個数: 96

約数和(自身を含む): 75043584

約数和(自身を除く): 54201504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6203, 12406, 18609, 24812, 31015, 37218, 43421, 49624, 62030, 74436, 86842, 93045, 99248, 124060, 130263, 148872, 173684, 186090, 198496, 217105, 248120, 260526, 297744, 347368, 372180, 434210, 496240, 521052, 595488, 651315, 694736, 744360, 868420, 992480, 1042104, 1302630, 1389472, 1488720, 1736840, 2084208, 2605260, 2977440, 3473680, 4168416, 5210520, 6947360, 10421040, 20842080]

約数ペア:

[(1, 20842080), (2, 10421040), (3, 6947360), (4, 5210520), (5, 4168416), (6, 3473680), (7, 2977440), (8, 2605260), (10, 2084208), (12, 1736840), (14, 1488720), (15, 1389472), (16, 1302630), (20, 1042104), (21, 992480), (24, 868420), (28, 744360), (30, 694736), (32, 651315), (35, 595488), (40, 521052), (42, 496240), (48, 434210), (56, 372180), (60, 347368), (70, 297744), (80, 260526), (84, 248120), (96, 217105), (105, 198496), (112, 186090), (120, 173684), (140, 148872), (160, 130263), (168, 124060), (210, 99248), (224, 93045), (240, 86842), (280, 74436), (336, 62030), (420, 49624), (480, 43421), (560, 37218), (672, 31015), (840, 24812), (1120, 18609), (1680, 12406), (3360, 6203)]