20793419164

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 42837258240

約数和(自身を除く): 22043839076

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 167, 244, 269, 271, 334, 427, 538, 542, 668, 854, 1076, 1084, 1169, 1708, 1883, 1897, 2338, 3766, 3794, 4676, 7532, 7588, 10187, 16409, 16531, 20374, 32818, 33062, 40748, 44923, 45257, 65636, 66124, 71309, 72899, 89846, 90514, 114863, 115717, 142618, 145798, 179692, 181028, 229726, 231434, 285236, 291596, 314461, 316799, 459452, 462868, 510293, 628922, 633598, 1020586, 1257844, 1267196, 2041172, 2740303, 2760677, 4446839, 5480606, 5521354, 8893678, 10961212, 11042708, 12174133, 17787356, 19182121, 19324739, 24348266, 31127873, 38364242, 38649478, 48696532, 62255746, 76728484, 77298956, 85218931, 124511492, 170437862, 340875724, 742622113, 1485244226, 2970488452, 5198354791, 10396709582, 20793419164]

約数ペア:

[(1, 20793419164), (2, 10396709582), (4, 5198354791), (7, 2970488452), (14, 1485244226), (28, 742622113), (61, 340875724), (122, 170437862), (167, 124511492), (244, 85218931), (269, 77298956), (271, 76728484), (334, 62255746), (427, 48696532), (538, 38649478), (542, 38364242), (668, 31127873), (854, 24348266), (1076, 19324739), (1084, 19182121), (1169, 17787356), (1708, 12174133), (1883, 11042708), (1897, 10961212), (2338, 8893678), (3766, 5521354), (3794, 5480606), (4676, 4446839), (7532, 2760677), (7588, 2740303), (10187, 2041172), (16409, 1267196), (16531, 1257844), (20374, 1020586), (32818, 633598), (33062, 628922), (40748, 510293), (44923, 462868), (45257, 459452), (65636, 316799), (66124, 314461), (71309, 291596), (72899, 285236), (89846, 231434), (90514, 229726), (114863, 181028), (115717, 179692), (142618, 145798)]