20076401416

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1\times {\mathrm{1489}}^1$

素因数の和:2266

約数の個数: 64

約数和(自身を含む): 39465630000

約数和(自身を除く): 19389228584

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 653, 712, 1306, 1489, 2581, 2612, 2978, 5162, 5224, 5956, 10324, 11912, 18937, 20648, 37874, 43181, 58117, 75748, 86362, 116234, 132521, 151496, 172724, 232468, 265042, 345448, 464936, 530084, 972317, 1060168, 1685393, 1944634, 3370786, 3843109, 3889268, 6741572, 7686218, 7778536, 13483144, 15372436, 28197193, 30744872, 56394386, 86536213, 112788772, 173072426, 225577544, 346144852, 692289704, 2509550177, 5019100354, 10038200708, 20076401416]

約数ペア:

[(1, 20076401416), (2, 10038200708), (4, 5019100354), (8, 2509550177), (29, 692289704), (58, 346144852), (89, 225577544), (116, 173072426), (178, 112788772), (232, 86536213), (356, 56394386), (653, 30744872), (712, 28197193), (1306, 15372436), (1489, 13483144), (2581, 7778536), (2612, 7686218), (2978, 6741572), (5162, 3889268), (5224, 3843109), (5956, 3370786), (10324, 1944634), (11912, 1685393), (18937, 1060168), (20648, 972317), (37874, 530084), (43181, 464936), (58117, 345448), (75748, 265042), (86362, 232468), (116234, 172724), (132521, 151496)]