20898175038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{685231}}^1$

素因数の和:685289

約数の個数: 64

約数和(自身を含む): 49731397632

約数和(自身を除く): 28833222594

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 1173, 1326, 1794, 2346, 5083, 10166, 15249, 30498, 685231, 1370462, 2055693, 4111386, 8908003, 11648927, 15760313, 17816006, 23297854, 26724009, 31520626, 34946781, 47280939, 53448018, 69893562, 94561878, 151436051, 204884069, 267925321, 302872102, 409768138, 454308153, 535850642, 614652207, 803775963, 908616306, 1229304414, 1607551926, 3483029173, 6966058346, 10449087519, 20898175038]

約数ペア:

[(1, 20898175038), (2, 10449087519), (3, 6966058346), (6, 3483029173), (13, 1607551926), (17, 1229304414), (23, 908616306), (26, 803775963), (34, 614652207), (39, 535850642), (46, 454308153), (51, 409768138), (69, 302872102), (78, 267925321), (102, 204884069), (138, 151436051), (221, 94561878), (299, 69893562), (391, 53448018), (442, 47280939), (598, 34946781), (663, 31520626), (782, 26724009), (897, 23297854), (1173, 17816006), (1326, 15760313), (1794, 11648927), (2346, 8908003), (5083, 4111386), (10166, 2055693), (15249, 1370462), (30498, 685231)]