20624460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1307}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 58012416

約数和(自身を除く): 37387956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1307, 1315, 1578, 2614, 2630, 3156, 3921, 3945, 5228, 5260, 6535, 7842, 7890, 13070, 15684, 15780, 19605, 26140, 39210, 78420, 343741, 687482, 1031223, 1374964, 1718705, 2062446, 3437410, 4124892, 5156115, 6874820, 10312230, 20624460]

約数ペア:

[(1, 20624460), (2, 10312230), (3, 6874820), (4, 5156115), (5, 4124892), (6, 3437410), (10, 2062446), (12, 1718705), (15, 1374964), (20, 1031223), (30, 687482), (60, 343741), (263, 78420), (526, 39210), (789, 26140), (1052, 19605), (1307, 15780), (1315, 15684), (1578, 13070), (2614, 7890), (2630, 7842), (3156, 6535), (3921, 5260), (3945, 5228)]