20953602

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 47469240

約数和(自身を除く): 26515638

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 137, 174, 261, 274, 293, 411, 522, 586, 822, 879, 1233, 1758, 2466, 2637, 3973, 5274, 7946, 8497, 11919, 16994, 23838, 25491, 35757, 40141, 50982, 71514, 76473, 80282, 120423, 152946, 240846, 361269, 722538, 1164089, 2328178, 3492267, 6984534, 10476801, 20953602]

約数ペア:

[(1, 20953602), (2, 10476801), (3, 6984534), (6, 3492267), (9, 2328178), (18, 1164089), (29, 722538), (58, 361269), (87, 240846), (137, 152946), (174, 120423), (261, 80282), (274, 76473), (293, 71514), (411, 50982), (522, 40141), (586, 35757), (822, 25491), (879, 23838), (1233, 16994), (1758, 11919), (2466, 8497), (2637, 7946), (3973, 5274)]