20685306912

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^2\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:947

約数の個数: 144

約数和(自身を含む): 55978715520

約数和(自身を除く): 35293408608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 79, 96, 122, 158, 183, 237, 244, 316, 366, 474, 488, 632, 732, 733, 948, 976, 1264, 1464, 1466, 1896, 1952, 2199, 2528, 2928, 2932, 3721, 3792, 4398, 4819, 5856, 5864, 7442, 7584, 8796, 9638, 11163, 11728, 14457, 14884, 17592, 19276, 22326, 23456, 28914, 29768, 35184, 38552, 44652, 44713, 57828, 57907, 59536, 70368, 77104, 89304, 89426, 115656, 115814, 119072, 134139, 154208, 173721, 178608, 178852, 231312, 231628, 268278, 293959, 347442, 357216, 357704, 462624, 463256, 536556, 587918, 694884, 715408, 881877, 926512, 1073112, 1175836, 1389768, 1430816, 1763754, 1853024, 2146224, 2351672, 2727493, 2779536, 3527508, 3532327, 4292448, 4703344, 5454986, 5559072, 7055016, 7064654, 8182479, 9406688, 10596981, 10909972, 14110032, 14129308, 16364958, 21193962, 21819944, 28220064, 28258616, 32729916, 42387924, 43639888, 56517232, 65459832, 84775848, 87279776, 113034464, 130919664, 169551696, 215471947, 261839328, 339103392, 430943894, 646415841, 861887788, 1292831682, 1723775576, 2585663364, 3447551152, 5171326728, 6895102304, 10342653456, 20685306912]

約数ペア:

[(1, 20685306912), (2, 10342653456), (3, 6895102304), (4, 5171326728), (6, 3447551152), (8, 2585663364), (12, 1723775576), (16, 1292831682), (24, 861887788), (32, 646415841), (48, 430943894), (61, 339103392), (79, 261839328), (96, 215471947), (122, 169551696), (158, 130919664), (183, 113034464), (237, 87279776), (244, 84775848), (316, 65459832), (366, 56517232), (474, 43639888), (488, 42387924), (632, 32729916), (732, 28258616), (733, 28220064), (948, 21819944), (976, 21193962), (1264, 16364958), (1464, 14129308), (1466, 14110032), (1896, 10909972), (1952, 10596981), (2199, 9406688), (2528, 8182479), (2928, 7064654), (2932, 7055016), (3721, 5559072), (3792, 5454986), (4398, 4703344), (4819, 4292448), (5856, 3532327), (5864, 3527508), (7442, 2779536), (7584, 2727493), (8796, 2351672), (9638, 2146224), (11163, 1853024), (11728, 1763754), (14457, 1430816), (14884, 1389768), (17592, 1175836), (19276, 1073112), (22326, 926512), (23456, 881877), (28914, 715408), (29768, 694884), (35184, 587918), (38552, 536556), (44652, 463256), (44713, 462624), (57828, 357704), (57907, 357216), (59536, 347442), (70368, 293959), (77104, 268278), (89304, 231628), (89426, 231312), (115656, 178852), (115814, 178608), (119072, 173721), (134139, 154208)]