20249946008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{8059}}^1$

素因数の和:8416

約数の個数: 64

約数和(自身を含む): 40777152000

約数和(自身を除く): 20527205992

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 271, 488, 542, 1084, 1159, 2168, 2318, 4636, 5149, 8059, 9272, 10298, 16118, 16531, 20596, 32236, 33062, 41192, 64472, 66124, 132248, 153121, 306242, 314089, 491599, 612484, 628178, 983198, 1224968, 1256356, 1966396, 2183989, 2512712, 3932792, 4367978, 8735956, 9340381, 17471912, 18680762, 37361524, 41495791, 74723048, 82991582, 133223329, 165983164, 266446658, 331966328, 532893316, 1065786632, 2531243251, 5062486502, 10124973004, 20249946008]

約数ペア:

[(1, 20249946008), (2, 10124973004), (4, 5062486502), (8, 2531243251), (19, 1065786632), (38, 532893316), (61, 331966328), (76, 266446658), (122, 165983164), (152, 133223329), (244, 82991582), (271, 74723048), (488, 41495791), (542, 37361524), (1084, 18680762), (1159, 17471912), (2168, 9340381), (2318, 8735956), (4636, 4367978), (5149, 3932792), (8059, 2512712), (9272, 2183989), (10298, 1966396), (16118, 1256356), (16531, 1224968), (20596, 983198), (32236, 628178), (33062, 612484), (41192, 491599), (64472, 314089), (66124, 306242), (132248, 153121)]