20804490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33023}}^1$

素因数の和:33043

約数の個数: 48

約数和(自身を含む): 61820928

約数和(自身を除く): 41016438

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33023, 66046, 99069, 165115, 198138, 231161, 297207, 330230, 462322, 495345, 594414, 693483, 990690, 1155805, 1386966, 1486035, 2080449, 2311610, 2972070, 3467415, 4160898, 6934830, 10402245, 20804490]

約数ペア:

[(1, 20804490), (2, 10402245), (3, 6934830), (5, 4160898), (6, 3467415), (7, 2972070), (9, 2311610), (10, 2080449), (14, 1486035), (15, 1386966), (18, 1155805), (21, 990690), (30, 693483), (35, 594414), (42, 495345), (45, 462322), (63, 330230), (70, 297207), (90, 231161), (105, 198138), (126, 165115), (210, 99069), (315, 66046), (630, 33023)]