20855224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 44382240

約数和(自身を除く): 23527016

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 67, 73, 82, 104, 134, 146, 164, 268, 292, 328, 533, 536, 584, 871, 949, 1066, 1742, 1898, 2132, 2747, 2993, 3484, 3796, 4264, 4891, 5494, 5986, 6968, 7592, 9782, 10988, 11972, 19564, 21976, 23944, 35711, 38909, 39128, 63583, 71422, 77818, 127166, 142844, 155636, 200531, 254332, 285688, 311272, 401062, 508664, 802124, 1604248, 2606903, 5213806, 10427612, 20855224]

約数ペア:

[(1, 20855224), (2, 10427612), (4, 5213806), (8, 2606903), (13, 1604248), (26, 802124), (41, 508664), (52, 401062), (67, 311272), (73, 285688), (82, 254332), (104, 200531), (134, 155636), (146, 142844), (164, 127166), (268, 77818), (292, 71422), (328, 63583), (533, 39128), (536, 38909), (584, 35711), (871, 23944), (949, 21976), (1066, 19564), (1742, 11972), (1898, 10988), (2132, 9782), (2747, 7592), (2993, 6968), (3484, 5986), (3796, 5494), (4264, 4891)]