20346875168

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{1097}}^1$

素因数の和:1426

約数の個数: 96

約数和(自身を含む): 41882920128

約数和(自身を除く): 21536044960

約数列:

[1, 2, 4, 8, 16, 32, 41, 67, 82, 134, 164, 211, 268, 328, 422, 536, 656, 844, 1072, 1097, 1312, 1688, 2144, 2194, 2747, 3376, 4388, 5494, 6752, 8651, 8776, 10988, 14137, 17302, 17552, 21976, 28274, 34604, 35104, 43952, 44977, 56548, 69208, 73499, 87904, 89954, 113096, 138416, 146998, 179908, 226192, 231467, 276832, 293996, 359816, 452384, 462934, 579617, 587992, 719632, 925868, 1159234, 1175984, 1439264, 1851736, 2318468, 2351968, 3013459, 3703472, 4636936, 6026918, 7406944, 9273872, 9490147, 12053836, 15508289, 18547744, 18980294, 24107672, 31016578, 37960588, 48215344, 62033156, 75921176, 96430688, 124066312, 151842352, 248132624, 303684704, 496265248, 635839849, 1271679698, 2543359396, 5086718792, 10173437584, 20346875168]

約数ペア:

[(1, 20346875168), (2, 10173437584), (4, 5086718792), (8, 2543359396), (16, 1271679698), (32, 635839849), (41, 496265248), (67, 303684704), (82, 248132624), (134, 151842352), (164, 124066312), (211, 96430688), (268, 75921176), (328, 62033156), (422, 48215344), (536, 37960588), (656, 31016578), (844, 24107672), (1072, 18980294), (1097, 18547744), (1312, 15508289), (1688, 12053836), (2144, 9490147), (2194, 9273872), (2747, 7406944), (3376, 6026918), (4388, 4636936), (5494, 3703472), (6752, 3013459), (8651, 2351968), (8776, 2318468), (10988, 1851736), (14137, 1439264), (17302, 1175984), (17552, 1159234), (21976, 925868), (28274, 719632), (34604, 587992), (35104, 579617), (43952, 462934), (44977, 452384), (56548, 359816), (69208, 293996), (73499, 276832), (87904, 231467), (89954, 226192), (113096, 179908), (138416, 146998)]