2020400940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{405703}}^1$

素因数の和:405798

約数の個数: 48

約数和(自身を含む): 5725294848

約数和(自身を除く): 3704893908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 405703, 811406, 1217109, 1622812, 2028515, 2434218, 4057030, 4868436, 6085545, 8114060, 12171090, 24342180, 33673349, 67346698, 101020047, 134693396, 168366745, 202040094, 336733490, 404080188, 505100235, 673466980, 1010200470, 2020400940]

約数ペア:

[(1, 2020400940), (2, 1010200470), (3, 673466980), (4, 505100235), (5, 404080188), (6, 336733490), (10, 202040094), (12, 168366745), (15, 134693396), (20, 101020047), (30, 67346698), (60, 33673349), (83, 24342180), (166, 12171090), (249, 8114060), (332, 6085545), (415, 4868436), (498, 4057030), (830, 2434218), (996, 2028515), (1245, 1622812), (1660, 1217109), (2490, 811406), (4980, 405703)]