16816380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40039}}^1$

素因数の和:40058

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 36997380

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, 210, 420, 40039, 80078, 120117, 160156, 200195, 240234, 280273, 400390, 480468, 560546, 600585, 800780, 840819, 1121092, 1201170, 1401365, 1681638, 2402340, 2802730, 3363276, 4204095, 5605460, 8408190, 16816380]

約数ペア:

[(1, 16816380), (2, 8408190), (3, 5605460), (4, 4204095), (5, 3363276), (6, 2802730), (7, 2402340), (10, 1681638), (12, 1401365), (14, 1201170), (15, 1121092), (20, 840819), (21, 800780), (28, 600585), (30, 560546), (35, 480468), (42, 400390), (60, 280273), (70, 240234), (84, 200195), (105, 160156), (140, 120117), (210, 80078), (420, 40039)]