20245888

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^3$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 45410400

約数和(自身を除く): 25164512

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 529, 598, 736, 832, 1058, 1196, 1472, 1664, 2116, 2392, 2944, 4232, 4784, 6877, 8464, 9568, 12167, 13754, 16928, 19136, 24334, 27508, 33856, 38272, 48668, 55016, 67712, 97336, 110032, 158171, 194672, 220064, 316342, 389344, 440128, 632684, 778688, 880256, 1265368, 1557376, 2530736, 5061472, 10122944, 20245888]

約数ペア:

[(1, 20245888), (2, 10122944), (4, 5061472), (8, 2530736), (13, 1557376), (16, 1265368), (23, 880256), (26, 778688), (32, 632684), (46, 440128), (52, 389344), (64, 316342), (92, 220064), (104, 194672), (128, 158171), (184, 110032), (208, 97336), (299, 67712), (368, 55016), (416, 48668), (529, 38272), (598, 33856), (736, 27508), (832, 24334), (1058, 19136), (1196, 16928), (1472, 13754), (1664, 12167), (2116, 9568), (2392, 8464), (2944, 6877), (4232, 4784)]