20382060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{941}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 60295536

約数和(自身を除く): 39913476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 941, 1083, 1140, 1444, 1805, 1882, 2166, 2823, 3610, 3764, 4332, 4705, 5415, 5646, 7220, 9410, 10830, 11292, 14115, 17879, 18820, 21660, 28230, 35758, 53637, 56460, 71516, 89395, 107274, 178790, 214548, 268185, 339701, 357580, 536370, 679402, 1019103, 1072740, 1358804, 1698505, 2038206, 3397010, 4076412, 5095515, 6794020, 10191030, 20382060]

約数ペア:

[(1, 20382060), (2, 10191030), (3, 6794020), (4, 5095515), (5, 4076412), (6, 3397010), (10, 2038206), (12, 1698505), (15, 1358804), (19, 1072740), (20, 1019103), (30, 679402), (38, 536370), (57, 357580), (60, 339701), (76, 268185), (95, 214548), (114, 178790), (190, 107274), (228, 89395), (285, 71516), (361, 56460), (380, 53637), (570, 35758), (722, 28230), (941, 21660), (1083, 18820), (1140, 17879), (1444, 14115), (1805, 11292), (1882, 10830), (2166, 9410), (2823, 7220), (3610, 5646), (3764, 5415), (4332, 4705)]