20717550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6577}}^1$

素因数の和:6602

約数の個数: 72

約数和(自身を含む): 63622416

約数和(自身を除く): 42904866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6577, 13154, 19731, 32885, 39462, 46039, 59193, 65770, 92078, 98655, 118386, 138117, 164425, 197310, 230195, 276234, 295965, 328850, 414351, 460390, 493275, 591930, 690585, 828702, 986550, 1150975, 1381170, 1479825, 2071755, 2301950, 2959650, 3452925, 4143510, 6905850, 10358775, 20717550]

約数ペア:

[(1, 20717550), (2, 10358775), (3, 6905850), (5, 4143510), (6, 3452925), (7, 2959650), (9, 2301950), (10, 2071755), (14, 1479825), (15, 1381170), (18, 1150975), (21, 986550), (25, 828702), (30, 690585), (35, 591930), (42, 493275), (45, 460390), (50, 414351), (63, 328850), (70, 295965), (75, 276234), (90, 230195), (105, 197310), (126, 164425), (150, 138117), (175, 118386), (210, 98655), (225, 92078), (315, 65770), (350, 59193), (450, 46039), (525, 39462), (630, 32885), (1050, 19731), (1575, 13154), (3150, 6577)]