20570730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 31960470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 151, 190, 239, 285, 302, 453, 478, 570, 717, 755, 906, 1195, 1434, 1510, 2265, 2390, 2869, 3585, 4530, 4541, 5738, 7170, 8607, 9082, 13623, 14345, 17214, 22705, 27246, 28690, 36089, 43035, 45410, 68115, 72178, 86070, 108267, 136230, 180445, 216534, 360890, 541335, 685691, 1082670, 1371382, 2057073, 3428455, 4114146, 6856910, 10285365, 20570730]

約数ペア:

[(1, 20570730), (2, 10285365), (3, 6856910), (5, 4114146), (6, 3428455), (10, 2057073), (15, 1371382), (19, 1082670), (30, 685691), (38, 541335), (57, 360890), (95, 216534), (114, 180445), (151, 136230), (190, 108267), (239, 86070), (285, 72178), (302, 68115), (453, 45410), (478, 43035), (570, 36089), (717, 28690), (755, 27246), (906, 22705), (1195, 17214), (1434, 14345), (1510, 13623), (2265, 9082), (2390, 8607), (2869, 7170), (3585, 5738), (4530, 4541)]