20199291932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{398471}}^1$

素因数の和:398546

約数の個数: 48

約数和(自身を含む): 40165977600

約数和(自身を除く): 19966685668

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 437, 551, 667, 874, 1102, 1334, 1748, 2204, 2668, 12673, 25346, 50692, 398471, 796942, 1593884, 7570949, 9164833, 11555659, 15141898, 18329666, 23111318, 30283796, 36659332, 46222636, 174131827, 219557521, 265780157, 348263654, 439115042, 531560314, 696527308, 878230084, 1063120628, 5049822983, 10099645966, 20199291932]

約数ペア:

[(1, 20199291932), (2, 10099645966), (4, 5049822983), (19, 1063120628), (23, 878230084), (29, 696527308), (38, 531560314), (46, 439115042), (58, 348263654), (76, 265780157), (92, 219557521), (116, 174131827), (437, 46222636), (551, 36659332), (667, 30283796), (874, 23111318), (1102, 18329666), (1334, 15141898), (1748, 11555659), (2204, 9164833), (2668, 7570949), (12673, 1593884), (25346, 796942), (50692, 398471)]