20173673709

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1579

約数の個数: 96

約数和(自身を含む): 35351147520

約数和(自身を除く): 15177473811

約数列:

[1, 3, 7, 9, 21, 29, 53, 63, 87, 157, 159, 203, 261, 371, 471, 477, 609, 1099, 1113, 1327, 1413, 1537, 1827, 3297, 3339, 3981, 4553, 4611, 8321, 9289, 9891, 10759, 11943, 13659, 13833, 24963, 27867, 31871, 32277, 38483, 40977, 58247, 70331, 74889, 83601, 95613, 96831, 115449, 174741, 208339, 210993, 241309, 269381, 286839, 346347, 492317, 524223, 625017, 632979, 723927, 808143, 1458373, 1476951, 1689163, 1875051, 2039599, 2171781, 2424429, 4375119, 4430853, 5067489, 6041831, 6118797, 11041967, 13125357, 14277193, 15202467, 18125493, 18356391, 33125901, 42292817, 42831579, 54376479, 77293769, 99377703, 126878451, 128494737, 231881307, 320217043, 380635353, 695643921, 960651129, 2241519301, 2881953387, 6724557903, 20173673709]

約数ペア:

[(1, 20173673709), (3, 6724557903), (7, 2881953387), (9, 2241519301), (21, 960651129), (29, 695643921), (53, 380635353), (63, 320217043), (87, 231881307), (157, 128494737), (159, 126878451), (203, 99377703), (261, 77293769), (371, 54376479), (471, 42831579), (477, 42292817), (609, 33125901), (1099, 18356391), (1113, 18125493), (1327, 15202467), (1413, 14277193), (1537, 13125357), (1827, 11041967), (3297, 6118797), (3339, 6041831), (3981, 5067489), (4553, 4430853), (4611, 4375119), (8321, 2424429), (9289, 2171781), (9891, 2039599), (10759, 1875051), (11943, 1689163), (13659, 1476951), (13833, 1458373), (24963, 808143), (27867, 723927), (31871, 632979), (32277, 625017), (38483, 524223), (40977, 492317), (58247, 346347), (70331, 286839), (74889, 269381), (83601, 241309), (95613, 210993), (96831, 208339), (115449, 174741)]