20807514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12703}}^1$

素因数の和:12731

約数の個数: 48

約数和(自身を含む): 55491072

約数和(自身を除く): 34683558

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12703, 25406, 38109, 76218, 88921, 114327, 165139, 177842, 228654, 266763, 330278, 495417, 533526, 800289, 990834, 1155973, 1486251, 1600578, 2311946, 2972502, 3467919, 6935838, 10403757, 20807514]

約数ペア:

[(1, 20807514), (2, 10403757), (3, 6935838), (6, 3467919), (7, 2972502), (9, 2311946), (13, 1600578), (14, 1486251), (18, 1155973), (21, 990834), (26, 800289), (39, 533526), (42, 495417), (63, 330278), (78, 266763), (91, 228654), (117, 177842), (126, 165139), (182, 114327), (234, 88921), (273, 76218), (546, 38109), (819, 25406), (1638, 12703)]