20190812985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{193649}}^1$

素因数の和:193998

約数の個数: 48

約数和(自身を含む): 40118083200

約数和(自身を除く): 19927270215

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 331, 993, 1655, 2317, 2979, 4965, 6951, 11585, 14895, 20853, 34755, 104265, 193649, 580947, 968245, 1355543, 1742841, 2904735, 4066629, 6777715, 8714205, 12199887, 20333145, 60999435, 64097819, 192293457, 320489095, 448684733, 576880371, 961467285, 1346054199, 2243423665, 2884401855, 4038162597, 6730270995, 20190812985]

約数ペア:

[(1, 20190812985), (3, 6730270995), (5, 4038162597), (7, 2884401855), (9, 2243423665), (15, 1346054199), (21, 961467285), (35, 576880371), (45, 448684733), (63, 320489095), (105, 192293457), (315, 64097819), (331, 60999435), (993, 20333145), (1655, 12199887), (2317, 8714205), (2979, 6777715), (4965, 4066629), (6951, 2904735), (11585, 1742841), (14895, 1355543), (20853, 968245), (34755, 580947), (104265, 193649)]