20589034760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1205447}}^1$

素因数の和:1205526

約数の個数: 64

約数和(自身を含む): 53811198720

約数和(自身を除く): 33222163960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 1205447, 2410894, 4821788, 6027235, 8438129, 9643576, 12054470, 16876258, 24108940, 33752516, 42190645, 48217880, 67505032, 73532267, 84381290, 147064534, 168762580, 294129068, 337525160, 367661335, 514725869, 588258136, 735322670, 1029451738, 1470645340, 2058903476, 2573629345, 2941290680, 4117806952, 5147258690, 10294517380, 20589034760]

約数ペア:

[(1, 20589034760), (2, 10294517380), (4, 5147258690), (5, 4117806952), (7, 2941290680), (8, 2573629345), (10, 2058903476), (14, 1470645340), (20, 1029451738), (28, 735322670), (35, 588258136), (40, 514725869), (56, 367661335), (61, 337525160), (70, 294129068), (122, 168762580), (140, 147064534), (244, 84381290), (280, 73532267), (305, 67505032), (427, 48217880), (488, 42190645), (610, 33752516), (854, 24108940), (1220, 16876258), (1708, 12054470), (2135, 9643576), (2440, 8438129), (3416, 6027235), (4270, 4821788), (8540, 2410894), (17080, 1205447)]