20509944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9391}}^1$

素因数の和:9420

約数の個数: 64

約数和(自身を含む): 63114240

約数和(自身を除く): 42604296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9391, 18782, 28173, 37564, 56346, 65737, 75128, 112692, 122083, 131474, 197211, 225384, 244166, 262948, 366249, 394422, 488332, 525896, 732498, 788844, 854581, 976664, 1464996, 1577688, 1709162, 2563743, 2929992, 3418324, 5127486, 6836648, 10254972, 20509944]

約数ペア:

[(1, 20509944), (2, 10254972), (3, 6836648), (4, 5127486), (6, 3418324), (7, 2929992), (8, 2563743), (12, 1709162), (13, 1577688), (14, 1464996), (21, 976664), (24, 854581), (26, 788844), (28, 732498), (39, 525896), (42, 488332), (52, 394422), (56, 366249), (78, 262948), (84, 244166), (91, 225384), (104, 197211), (156, 131474), (168, 122083), (182, 112692), (273, 75128), (312, 65737), (364, 56346), (546, 37564), (728, 28173), (1092, 18782), (2184, 9391)]