20161611056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{21061}}^1$

素因数の和:21202

約数の個数: 80

約数和(自身を含む): 42622748160

約数和(自身を除く): 22461137104

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 67, 76, 94, 134, 152, 188, 268, 304, 376, 536, 752, 893, 1072, 1273, 1786, 2546, 3149, 3572, 5092, 6298, 7144, 10184, 12596, 14288, 20368, 21061, 25192, 42122, 50384, 59831, 84244, 119662, 168488, 239324, 336976, 400159, 478648, 800318, 957296, 989867, 1411087, 1600636, 1979734, 2822174, 3201272, 3959468, 5644348, 6402544, 7918936, 11288696, 15837872, 18807473, 22577392, 26810653, 37614946, 53621306, 66321089, 75229892, 107242612, 132642178, 150459784, 214485224, 265284356, 300919568, 428970448, 530568712, 1061137424, 1260100691, 2520201382, 5040402764, 10080805528, 20161611056]

約数ペア:

[(1, 20161611056), (2, 10080805528), (4, 5040402764), (8, 2520201382), (16, 1260100691), (19, 1061137424), (38, 530568712), (47, 428970448), (67, 300919568), (76, 265284356), (94, 214485224), (134, 150459784), (152, 132642178), (188, 107242612), (268, 75229892), (304, 66321089), (376, 53621306), (536, 37614946), (752, 26810653), (893, 22577392), (1072, 18807473), (1273, 15837872), (1786, 11288696), (2546, 7918936), (3149, 6402544), (3572, 5644348), (5092, 3959468), (6298, 3201272), (7144, 2822174), (10184, 1979734), (12596, 1600636), (14288, 1411087), (20368, 989867), (21061, 957296), (25192, 800318), (42122, 478648), (50384, 400159), (59831, 336976), (84244, 239324), (119662, 168488)]