20783958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 45676800

約数和(自身を除く): 24892842

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 169, 199, 206, 309, 338, 398, 507, 597, 618, 1014, 1194, 1339, 2587, 2678, 4017, 5174, 7761, 8034, 15522, 17407, 20497, 33631, 34814, 40994, 52221, 61491, 67262, 100893, 104442, 122982, 201786, 266461, 532922, 799383, 1598766, 3463993, 6927986, 10391979, 20783958]

約数ペア:

[(1, 20783958), (2, 10391979), (3, 6927986), (6, 3463993), (13, 1598766), (26, 799383), (39, 532922), (78, 266461), (103, 201786), (169, 122982), (199, 104442), (206, 100893), (309, 67262), (338, 61491), (398, 52221), (507, 40994), (597, 34814), (618, 33631), (1014, 20497), (1194, 17407), (1339, 15522), (2587, 8034), (2678, 7761), (4017, 5174)]