20651130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{853}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 53955720

約数和(自身を除く): 33304590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 853, 1345, 1614, 1706, 2421, 2559, 2690, 4035, 4265, 4842, 5118, 7677, 8070, 8530, 12105, 12795, 15354, 24210, 25590, 38385, 76770, 229457, 458914, 688371, 1147285, 1376742, 2065113, 2294570, 3441855, 4130226, 6883710, 10325565, 20651130]

約数ペア:

[(1, 20651130), (2, 10325565), (3, 6883710), (5, 4130226), (6, 3441855), (9, 2294570), (10, 2065113), (15, 1376742), (18, 1147285), (30, 688371), (45, 458914), (90, 229457), (269, 76770), (538, 38385), (807, 25590), (853, 24210), (1345, 15354), (1614, 12795), (1706, 12105), (2421, 8530), (2559, 8070), (2690, 7677), (4035, 5118), (4265, 4842)]