20169792380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{381859}}^1$

素因数の和:382026

約数の個数: 48

約数和(自身を含む): 44906736000

約数和(自身を除く): 24736943620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 10564, 13205, 26410, 52820, 381859, 763718, 1527436, 1909295, 3818590, 7255321, 7637180, 14510642, 29021284, 36276605, 53078401, 72553210, 106156802, 145106420, 212313604, 265392005, 530784010, 1008489619, 1061568020, 2016979238, 4033958476, 5042448095, 10084896190, 20169792380]

約数ペア:

[(1, 20169792380), (2, 10084896190), (4, 5042448095), (5, 4033958476), (10, 2016979238), (19, 1061568020), (20, 1008489619), (38, 530784010), (76, 265392005), (95, 212313604), (139, 145106420), (190, 106156802), (278, 72553210), (380, 53078401), (556, 36276605), (695, 29021284), (1390, 14510642), (2641, 7637180), (2780, 7255321), (5282, 3818590), (10564, 1909295), (13205, 1527436), (26410, 763718), (52820, 381859)]