20583650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20663710

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 461, 470, 475, 893, 922, 950, 1175, 1786, 2305, 2350, 4465, 4610, 8759, 8930, 11525, 17518, 21667, 22325, 23050, 43334, 43795, 44650, 87590, 108335, 216670, 218975, 411673, 437950, 541675, 823346, 1083350, 2058365, 4116730, 10291825, 20583650]

約数ペア:

[(1, 20583650), (2, 10291825), (5, 4116730), (10, 2058365), (19, 1083350), (25, 823346), (38, 541675), (47, 437950), (50, 411673), (94, 218975), (95, 216670), (190, 108335), (235, 87590), (461, 44650), (470, 43795), (475, 43334), (893, 23050), (922, 22325), (950, 21667), (1175, 17518), (1786, 11525), (2305, 8930), (2350, 8759), (4465, 4610)]