20352300920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{12347}}^1$

素因数の和:12430

約数の個数: 144

約数和(自身を含む): 55173704040

約数和(自身を除く): 34821403120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 490, 580, 812, 841, 980, 1015, 1160, 1421, 1624, 1682, 1960, 2030, 2842, 3364, 4060, 4205, 5684, 5887, 6728, 7105, 8120, 8410, 11368, 11774, 12347, 14210, 16820, 23548, 24694, 28420, 29435, 33640, 41209, 47096, 49388, 56840, 58870, 61735, 82418, 86429, 98776, 117740, 123470, 164836, 172858, 206045, 235480, 246940, 329672, 345716, 358063, 412090, 432145, 493880, 605003, 691432, 716126, 824180, 864290, 1210006, 1432252, 1648360, 1728580, 1790315, 2420012, 2506441, 2864504, 3025015, 3457160, 3580630, 4840024, 5012882, 6050030, 7161260, 10025764, 10383827, 12100060, 12532205, 14322520, 17545087, 20051528, 20767654, 24200120, 25064410, 35090174, 41535308, 50128820, 51919135, 70180348, 72686789, 83070616, 87725435, 100257640, 103838270, 140360696, 145373578, 175450870, 207676540, 290747156, 350901740, 363433945, 415353080, 508807523, 581494312, 701803480, 726867890, 1017615046, 1453735780, 2035230092, 2544037615, 2907471560, 4070460184, 5088075230, 10176150460, 20352300920]

約数ペア:

[(1, 20352300920), (2, 10176150460), (4, 5088075230), (5, 4070460184), (7, 2907471560), (8, 2544037615), (10, 2035230092), (14, 1453735780), (20, 1017615046), (28, 726867890), (29, 701803480), (35, 581494312), (40, 508807523), (49, 415353080), (56, 363433945), (58, 350901740), (70, 290747156), (98, 207676540), (116, 175450870), (140, 145373578), (145, 140360696), (196, 103838270), (203, 100257640), (232, 87725435), (245, 83070616), (280, 72686789), (290, 70180348), (392, 51919135), (406, 50128820), (490, 41535308), (580, 35090174), (812, 25064410), (841, 24200120), (980, 20767654), (1015, 20051528), (1160, 17545087), (1421, 14322520), (1624, 12532205), (1682, 12100060), (1960, 10383827), (2030, 10025764), (2842, 7161260), (3364, 6050030), (4060, 5012882), (4205, 4840024), (5684, 3580630), (5887, 3457160), (6728, 3025015), (7105, 2864504), (8120, 2506441), (8410, 2420012), (11368, 1790315), (11774, 1728580), (12347, 1648360), (14210, 1432252), (16820, 1210006), (23548, 864290), (24694, 824180), (28420, 716126), (29435, 691432), (33640, 605003), (41209, 493880), (47096, 432145), (49388, 412090), (56840, 358063), (58870, 345716), (61735, 329672), (82418, 246940), (86429, 235480), (98776, 206045), (117740, 172858), (123470, 164836)]