20201653017

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1174583}}^1$

素因数の和:1174619

約数の個数: 48

約数和(自身を含む): 37492721280

約数和(自身を除く): 17291068263

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1911, 2457, 5733, 17199, 1174583, 3523749, 8222081, 10571247, 15269579, 24666243, 31713741, 45808737, 57554567, 73998729, 106887053, 137426211, 172663701, 221996187, 320661159, 412278633, 517991103, 748209371, 961983477, 1553973309, 2244628113, 2885950431, 6733884339, 20201653017]

約数ペア:

[(1, 20201653017), (3, 6733884339), (7, 2885950431), (9, 2244628113), (13, 1553973309), (21, 961983477), (27, 748209371), (39, 517991103), (49, 412278633), (63, 320661159), (91, 221996187), (117, 172663701), (147, 137426211), (189, 106887053), (273, 73998729), (351, 57554567), (441, 45808737), (637, 31713741), (819, 24666243), (1323, 15269579), (1911, 10571247), (2457, 8222081), (5733, 3523749), (17199, 1174583)]