20456469236

素因数分解:

$2^2\times 7^3\times {\mathrm{1811}}^1\times {\mathrm{8233}}^1$

素因数の和:10069

約数の個数: 48

約数和(自身を含む): 41776022400

約数和(自身を除く): 21319553164

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 1811, 3622, 7244, 8233, 12677, 16466, 25354, 32932, 50708, 57631, 88739, 115262, 177478, 230524, 354956, 403417, 621173, 806834, 1242346, 1613668, 2484692, 2823919, 5647838, 11295676, 14909963, 29819926, 59639852, 104369741, 208739482, 417478964, 730588187, 1461176374, 2922352748, 5114117309, 10228234618, 20456469236]

約数ペア:

[(1, 20456469236), (2, 10228234618), (4, 5114117309), (7, 2922352748), (14, 1461176374), (28, 730588187), (49, 417478964), (98, 208739482), (196, 104369741), (343, 59639852), (686, 29819926), (1372, 14909963), (1811, 11295676), (3622, 5647838), (7244, 2823919), (8233, 2484692), (12677, 1613668), (16466, 1242346), (25354, 806834), (32932, 621173), (50708, 403417), (57631, 354956), (88739, 230524), (115262, 177478)]