20085318

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 50282856

約数和(自身を除く): 30197538

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 281, 342, 361, 418, 562, 627, 722, 843, 1083, 1254, 1686, 1881, 2166, 2529, 3091, 3249, 3762, 3971, 5058, 5339, 6182, 6498, 7942, 9273, 10678, 11913, 16017, 18546, 23826, 27819, 32034, 35739, 48051, 55638, 58729, 71478, 96102, 101441, 117458, 176187, 202882, 304323, 352374, 528561, 608646, 912969, 1057122, 1115851, 1825938, 2231702, 3347553, 6695106, 10042659, 20085318]

約数ペア:

[(1, 20085318), (2, 10042659), (3, 6695106), (6, 3347553), (9, 2231702), (11, 1825938), (18, 1115851), (19, 1057122), (22, 912969), (33, 608646), (38, 528561), (57, 352374), (66, 304323), (99, 202882), (114, 176187), (171, 117458), (198, 101441), (209, 96102), (281, 71478), (342, 58729), (361, 55638), (418, 48051), (562, 35739), (627, 32034), (722, 27819), (843, 23826), (1083, 18546), (1254, 16017), (1686, 11913), (1881, 10678), (2166, 9273), (2529, 7942), (3091, 6498), (3249, 6182), (3762, 5339), (3971, 5058)]