20237082957

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{90511}}^1$

素因数の和:90560

約数の個数: 72

約数和(自身を含む): 37765226880

約数和(自身を除く): 17528143923

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 351, 441, 507, 637, 819, 1183, 1323, 1521, 1911, 2457, 3549, 4563, 5733, 8281, 10647, 17199, 24843, 31941, 74529, 90511, 223587, 271533, 633577, 814599, 1176643, 1900731, 2443797, 3529929, 4435039, 5702193, 8236501, 10589787, 13305117, 15296359, 17106579, 24709503, 31769361, 39915351, 45889077, 57655507, 74128509, 107074513, 119746053, 137667231, 172966521, 222385527, 321223539, 413001693, 518899563, 749521591, 963670617, 1556698689, 2248564773, 2891011851, 6745694319, 20237082957]

約数ペア:

[(1, 20237082957), (3, 6745694319), (7, 2891011851), (9, 2248564773), (13, 1556698689), (21, 963670617), (27, 749521591), (39, 518899563), (49, 413001693), (63, 321223539), (91, 222385527), (117, 172966521), (147, 137667231), (169, 119746053), (189, 107074513), (273, 74128509), (351, 57655507), (441, 45889077), (507, 39915351), (637, 31769361), (819, 24709503), (1183, 17106579), (1323, 15296359), (1521, 13305117), (1911, 10589787), (2457, 8236501), (3549, 5702193), (4563, 4435039), (5733, 3529929), (8281, 2443797), (10647, 1900731), (17199, 1176643), (24843, 814599), (31941, 633577), (74529, 271533), (90511, 223587)]