20620110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36403890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 659, 745, 894, 1043, 1318, 1490, 1977, 2086, 2235, 3129, 3295, 3954, 4470, 4613, 5215, 6258, 6590, 9226, 9885, 10430, 13839, 15645, 19770, 23065, 27678, 31290, 46130, 69195, 98191, 138390, 196382, 294573, 490955, 589146, 687337, 981910, 1374674, 1472865, 2062011, 2945730, 3436685, 4124022, 6873370, 10310055, 20620110]

約数ペア:

[(1, 20620110), (2, 10310055), (3, 6873370), (5, 4124022), (6, 3436685), (7, 2945730), (10, 2062011), (14, 1472865), (15, 1374674), (21, 981910), (30, 687337), (35, 589146), (42, 490955), (70, 294573), (105, 196382), (149, 138390), (210, 98191), (298, 69195), (447, 46130), (659, 31290), (745, 27678), (894, 23065), (1043, 19770), (1318, 15645), (1490, 13839), (1977, 10430), (2086, 9885), (2235, 9226), (3129, 6590), (3295, 6258), (3954, 5215), (4470, 4613)]