20278300965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1\times {\mathrm{809}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 35219681280

約数和(自身を除く): 14941380315

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 573, 673, 809, 955, 2019, 2427, 2483, 2865, 3365, 4045, 7449, 8749, 10095, 10517, 12135, 12415, 26247, 31551, 37245, 43745, 52585, 128543, 131235, 154519, 157755, 385629, 463557, 544457, 642715, 772595, 1633371, 1671059, 1928145, 2008747, 2317785, 2722285, 5013177, 6026241, 7077941, 8166855, 8355295, 10043735, 21233823, 25065885, 30131205, 35389705, 103991287, 106169115, 311973861, 519956435, 1351886731, 1559869305, 4055660193, 6759433655, 20278300965]

約数ペア:

[(1, 20278300965), (3, 6759433655), (5, 4055660193), (13, 1559869305), (15, 1351886731), (39, 519956435), (65, 311973861), (191, 106169115), (195, 103991287), (573, 35389705), (673, 30131205), (809, 25065885), (955, 21233823), (2019, 10043735), (2427, 8355295), (2483, 8166855), (2865, 7077941), (3365, 6026241), (4045, 5013177), (7449, 2722285), (8749, 2317785), (10095, 2008747), (10517, 1928145), (12135, 1671059), (12415, 1633371), (26247, 772595), (31551, 642715), (37245, 544457), (43745, 463557), (52585, 385629), (128543, 157755), (131235, 154519)]