20198301739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{373}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 26359280640

約数和(自身を除く): 6160978901

約数列:

[1, 7, 11, 37, 77, 83, 229, 259, 373, 407, 581, 913, 1603, 2519, 2611, 2849, 3071, 4103, 6391, 8473, 13801, 17633, 19007, 21497, 28721, 30959, 33781, 59311, 85417, 93203, 96607, 133049, 151811, 209077, 216713, 236467, 340549, 597919, 652421, 703259, 939587, 1062677, 1145483, 1463539, 2383843, 3160429, 4922813, 6577109, 7089611, 7735849, 8018381, 12600313, 22123003, 34764719, 49627277, 54150943, 77985721, 88202191, 243353033, 262315607, 545900047, 1836209249, 2885471677, 20198301739]

約数ペア:

[(1, 20198301739), (7, 2885471677), (11, 1836209249), (37, 545900047), (77, 262315607), (83, 243353033), (229, 88202191), (259, 77985721), (373, 54150943), (407, 49627277), (581, 34764719), (913, 22123003), (1603, 12600313), (2519, 8018381), (2611, 7735849), (2849, 7089611), (3071, 6577109), (4103, 4922813), (6391, 3160429), (8473, 2383843), (13801, 1463539), (17633, 1145483), (19007, 1062677), (21497, 939587), (28721, 703259), (30959, 652421), (33781, 597919), (59311, 340549), (85417, 236467), (93203, 216713), (96607, 209077), (133049, 151811)]