20933600

素因数分解:

$2^5\times 5^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 51746688

約数和(自身を除く): 30813088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 137, 160, 191, 200, 274, 382, 400, 548, 685, 764, 800, 955, 1096, 1370, 1528, 1910, 2192, 2740, 3056, 3425, 3820, 4384, 4775, 5480, 6112, 6850, 7640, 9550, 10960, 13700, 15280, 19100, 21920, 26167, 27400, 30560, 38200, 52334, 54800, 76400, 104668, 109600, 130835, 152800, 209336, 261670, 418672, 523340, 654175, 837344, 1046680, 1308350, 2093360, 2616700, 4186720, 5233400, 10466800, 20933600]

約数ペア:

[(1, 20933600), (2, 10466800), (4, 5233400), (5, 4186720), (8, 2616700), (10, 2093360), (16, 1308350), (20, 1046680), (25, 837344), (32, 654175), (40, 523340), (50, 418672), (80, 261670), (100, 209336), (137, 152800), (160, 130835), (191, 109600), (200, 104668), (274, 76400), (382, 54800), (400, 52334), (548, 38200), (685, 30560), (764, 27400), (800, 26167), (955, 21920), (1096, 19100), (1370, 15280), (1528, 13700), (1910, 10960), (2192, 9550), (2740, 7640), (3056, 6850), (3425, 6112), (3820, 5480), (4384, 4775)]