20452380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2017}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 62041392

約数和(自身を除く): 41589012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2017, 2028, 2535, 3380, 4034, 5070, 6051, 8068, 10085, 10140, 12102, 20170, 24204, 26221, 30255, 40340, 52442, 60510, 78663, 104884, 121020, 131105, 157326, 262210, 314652, 340873, 393315, 524420, 681746, 786630, 1022619, 1363492, 1573260, 1704365, 2045238, 3408730, 4090476, 5113095, 6817460, 10226190, 20452380]

約数ペア:

[(1, 20452380), (2, 10226190), (3, 6817460), (4, 5113095), (5, 4090476), (6, 3408730), (10, 2045238), (12, 1704365), (13, 1573260), (15, 1363492), (20, 1022619), (26, 786630), (30, 681746), (39, 524420), (52, 393315), (60, 340873), (65, 314652), (78, 262210), (130, 157326), (156, 131105), (169, 121020), (195, 104884), (260, 78663), (338, 60510), (390, 52442), (507, 40340), (676, 30255), (780, 26221), (845, 24204), (1014, 20170), (1690, 12102), (2017, 10140), (2028, 10085), (2535, 8068), (3380, 6051), (4034, 5070)]