20597130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1747}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 53992224

約数和(自身を除く): 33395094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1747, 1965, 2358, 3494, 3930, 5241, 5895, 8735, 10482, 11790, 15723, 17470, 26205, 31446, 52410, 78615, 157230, 228857, 457714, 686571, 1144285, 1373142, 2059713, 2288570, 3432855, 4119426, 6865710, 10298565, 20597130]

約数ペア:

[(1, 20597130), (2, 10298565), (3, 6865710), (5, 4119426), (6, 3432855), (9, 2288570), (10, 2059713), (15, 1373142), (18, 1144285), (30, 686571), (45, 457714), (90, 228857), (131, 157230), (262, 78615), (393, 52410), (655, 31446), (786, 26205), (1179, 17470), (1310, 15723), (1747, 11790), (1965, 10482), (2358, 8735), (3494, 5895), (3930, 5241)]