16381020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8807}}^1$

素因数の和:8850

約数の個数: 48

約数和(自身を含む): 47351808

約数和(自身を除く): 30970788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8807, 17614, 26421, 35228, 44035, 52842, 88070, 105684, 132105, 176140, 264210, 273017, 528420, 546034, 819051, 1092068, 1365085, 1638102, 2730170, 3276204, 4095255, 5460340, 8190510, 16381020]

約数ペア:

[(1, 16381020), (2, 8190510), (3, 5460340), (4, 4095255), (5, 3276204), (6, 2730170), (10, 1638102), (12, 1365085), (15, 1092068), (20, 819051), (30, 546034), (31, 528420), (60, 273017), (62, 264210), (93, 176140), (124, 132105), (155, 105684), (186, 88070), (310, 52842), (372, 44035), (465, 35228), (620, 26421), (930, 17614), (1860, 8807)]