20212017849

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{953}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 29902908672

約数和(自身を除く): 9690890823

約数列:

[1, 3, 9, 103, 137, 167, 309, 411, 501, 927, 953, 1233, 1503, 2859, 8577, 14111, 17201, 22879, 42333, 51603, 68637, 98159, 126999, 130561, 154809, 159151, 205911, 294477, 391683, 477453, 883431, 1175049, 1432359, 2356537, 7069611, 13447783, 16392553, 21208833, 21803687, 40343349, 49177659, 65411061, 121030047, 147532977, 196233183, 2245779761, 6737339283, 20212017849]

約数ペア:

[(1, 20212017849), (3, 6737339283), (9, 2245779761), (103, 196233183), (137, 147532977), (167, 121030047), (309, 65411061), (411, 49177659), (501, 40343349), (927, 21803687), (953, 21208833), (1233, 16392553), (1503, 13447783), (2859, 7069611), (8577, 2356537), (14111, 1432359), (17201, 1175049), (22879, 883431), (42333, 477453), (51603, 391683), (68637, 294477), (98159, 205911), (126999, 159151), (130561, 154809)]