20314690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 40832064

約数和(自身を除く): 20517374

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 163, 206, 242, 326, 515, 605, 815, 1030, 1133, 1210, 1630, 1793, 2266, 3586, 5665, 8965, 11330, 12463, 16789, 17930, 19723, 24926, 33578, 39446, 62315, 83945, 98615, 124630, 167890, 184679, 197230, 369358, 923395, 1846790, 2031469, 4062938, 10157345, 20314690]

約数ペア:

[(1, 20314690), (2, 10157345), (5, 4062938), (10, 2031469), (11, 1846790), (22, 923395), (55, 369358), (103, 197230), (110, 184679), (121, 167890), (163, 124630), (206, 98615), (242, 83945), (326, 62315), (515, 39446), (605, 33578), (815, 24926), (1030, 19723), (1133, 17930), (1210, 16789), (1630, 12463), (1793, 11330), (2266, 8965), (3586, 5665)]