20169650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 40477320

約数和(自身を除く): 20307670

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 389, 425, 610, 778, 850, 1037, 1525, 1945, 2074, 3050, 3890, 5185, 6613, 9725, 10370, 13226, 19450, 23729, 25925, 33065, 47458, 51850, 66130, 118645, 165325, 237290, 330650, 403393, 593225, 806786, 1186450, 2016965, 4033930, 10084825, 20169650]

約数ペア:

[(1, 20169650), (2, 10084825), (5, 4033930), (10, 2016965), (17, 1186450), (25, 806786), (34, 593225), (50, 403393), (61, 330650), (85, 237290), (122, 165325), (170, 118645), (305, 66130), (389, 51850), (425, 47458), (610, 33065), (778, 25925), (850, 23729), (1037, 19450), (1525, 13226), (1945, 10370), (2074, 9725), (3050, 6613), (3890, 5185)]