20729256

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 58501440

約数和(自身を除く): 37772184

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 46, 47, 51, 68, 69, 92, 94, 102, 136, 138, 141, 184, 188, 204, 276, 282, 376, 391, 408, 552, 564, 782, 799, 1081, 1128, 1173, 1564, 1598, 2162, 2209, 2346, 2397, 3128, 3196, 3243, 4324, 4418, 4692, 4794, 6392, 6486, 6627, 8648, 8836, 9384, 9588, 12972, 13254, 17672, 18377, 19176, 25944, 26508, 36754, 37553, 50807, 53016, 55131, 73508, 75106, 101614, 110262, 112659, 147016, 150212, 152421, 203228, 220524, 225318, 300424, 304842, 406456, 441048, 450636, 609684, 863719, 901272, 1219368, 1727438, 2591157, 3454876, 5182314, 6909752, 10364628, 20729256]

約数ペア:

[(1, 20729256), (2, 10364628), (3, 6909752), (4, 5182314), (6, 3454876), (8, 2591157), (12, 1727438), (17, 1219368), (23, 901272), (24, 863719), (34, 609684), (46, 450636), (47, 441048), (51, 406456), (68, 304842), (69, 300424), (92, 225318), (94, 220524), (102, 203228), (136, 152421), (138, 150212), (141, 147016), (184, 112659), (188, 110262), (204, 101614), (276, 75106), (282, 73508), (376, 55131), (391, 53016), (408, 50807), (552, 37553), (564, 36754), (782, 26508), (799, 25944), (1081, 19176), (1128, 18377), (1173, 17672), (1564, 13254), (1598, 12972), (2162, 9588), (2209, 9384), (2346, 8836), (2397, 8648), (3128, 6627), (3196, 6486), (3243, 6392), (4324, 4794), (4418, 4692)]