20755727460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{305861}}^1$

素因数の和:305918

約数の個数: 144

約数和(自身を含む): 70140273840

約数和(自身を除く): 49384546380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1305, 1508, 1740, 1885, 2262, 2340, 2610, 3393, 3770, 4524, 5220, 5655, 6786, 7540, 11310, 13572, 16965, 22620, 33930, 67860, 305861, 611722, 917583, 1223444, 1529305, 1835166, 2752749, 3058610, 3670332, 3976193, 4587915, 5505498, 6117220, 7952386, 8869969, 9175830, 11010996, 11928579, 13763745, 15904772, 17739938, 18351660, 19880965, 23857158, 26609907, 27527490, 35479876, 35785737, 39761930, 44349845, 47714316, 53219814, 55054980, 59642895, 71571474, 79523860, 79829721, 88699690, 106439628, 115309597, 119285790, 133049535, 143142948, 159659442, 177399380, 178928685, 230619194, 238571580, 266099070, 319318884, 345928791, 357857370, 399148605, 461238388, 532198140, 576547985, 691857582, 715714740, 798297210, 1037786373, 1153095970, 1383715164, 1596594420, 1729643955, 2075572746, 2306191940, 3459287910, 4151145492, 5188931865, 6918575820, 10377863730, 20755727460]

約数ペア:

[(1, 20755727460), (2, 10377863730), (3, 6918575820), (4, 5188931865), (5, 4151145492), (6, 3459287910), (9, 2306191940), (10, 2075572746), (12, 1729643955), (13, 1596594420), (15, 1383715164), (18, 1153095970), (20, 1037786373), (26, 798297210), (29, 715714740), (30, 691857582), (36, 576547985), (39, 532198140), (45, 461238388), (52, 399148605), (58, 357857370), (60, 345928791), (65, 319318884), (78, 266099070), (87, 238571580), (90, 230619194), (116, 178928685), (117, 177399380), (130, 159659442), (145, 143142948), (156, 133049535), (174, 119285790), (180, 115309597), (195, 106439628), (234, 88699690), (260, 79829721), (261, 79523860), (290, 71571474), (348, 59642895), (377, 55054980), (390, 53219814), (435, 47714316), (468, 44349845), (522, 39761930), (580, 35785737), (585, 35479876), (754, 27527490), (780, 26609907), (870, 23857158), (1044, 19880965), (1131, 18351660), (1170, 17739938), (1305, 15904772), (1508, 13763745), (1740, 11928579), (1885, 11010996), (2262, 9175830), (2340, 8869969), (2610, 7952386), (3393, 6117220), (3770, 5505498), (4524, 4587915), (5220, 3976193), (5655, 3670332), (6786, 3058610), (7540, 2752749), (11310, 1835166), (13572, 1529305), (16965, 1223444), (22620, 917583), (33930, 611722), (67860, 305861)]