20809930920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1716991}}^1$

素因数の和:1717106

約数の個数: 64

約数和(自身を含む): 63047946240

約数和(自身を除く): 42238015320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 1716991, 3433982, 5150973, 6867964, 8584955, 10301946, 13735928, 17169910, 20603892, 25754865, 34339820, 41207784, 51509730, 68679640, 103019460, 173416091, 206038920, 346832182, 520248273, 693664364, 867080455, 1040496546, 1387328728, 1734160910, 2080993092, 2601241365, 3468321820, 4161986184, 5202482730, 6936643640, 10404965460, 20809930920]

約数ペア:

[(1, 20809930920), (2, 10404965460), (3, 6936643640), (4, 5202482730), (5, 4161986184), (6, 3468321820), (8, 2601241365), (10, 2080993092), (12, 1734160910), (15, 1387328728), (20, 1040496546), (24, 867080455), (30, 693664364), (40, 520248273), (60, 346832182), (101, 206038920), (120, 173416091), (202, 103019460), (303, 68679640), (404, 51509730), (505, 41207784), (606, 34339820), (808, 25754865), (1010, 20603892), (1212, 17169910), (1515, 13735928), (2020, 10301946), (2424, 8584955), (3030, 6867964), (4040, 5150973), (6060, 3433982), (12120, 1716991)]