20916138192

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{46411}}^1$

素因数の和:46692

約数の個数: 80

約数和(自身を含む): 55594150080

約数和(自身を除く): 34678011888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 229, 246, 328, 458, 492, 656, 687, 916, 984, 1374, 1832, 1968, 2748, 3664, 5496, 9389, 10992, 18778, 28167, 37556, 46411, 56334, 75112, 92822, 112668, 139233, 150224, 185644, 225336, 278466, 371288, 450672, 556932, 742576, 1113864, 1902851, 2227728, 3805702, 5708553, 7611404, 10628119, 11417106, 15222808, 21256238, 22834212, 30445616, 31884357, 42512476, 45668424, 63768714, 85024952, 91336848, 127537428, 170049904, 255074856, 435752879, 510149712, 871505758, 1307258637, 1743011516, 2614517274, 3486023032, 5229034548, 6972046064, 10458069096, 20916138192]

約数ペア:

[(1, 20916138192), (2, 10458069096), (3, 6972046064), (4, 5229034548), (6, 3486023032), (8, 2614517274), (12, 1743011516), (16, 1307258637), (24, 871505758), (41, 510149712), (48, 435752879), (82, 255074856), (123, 170049904), (164, 127537428), (229, 91336848), (246, 85024952), (328, 63768714), (458, 45668424), (492, 42512476), (656, 31884357), (687, 30445616), (916, 22834212), (984, 21256238), (1374, 15222808), (1832, 11417106), (1968, 10628119), (2748, 7611404), (3664, 5708553), (5496, 3805702), (9389, 2227728), (10992, 1902851), (18778, 1113864), (28167, 742576), (37556, 556932), (46411, 450672), (56334, 371288), (75112, 278466), (92822, 225336), (112668, 185644), (139233, 150224)]