20845710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3457}}^1$

素因数の和:3537

約数の個数: 48

約数和(自身を含む): 55023696

約数和(自身を除く): 34177986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3457, 6030, 6914, 10371, 17285, 20742, 31113, 34570, 51855, 62226, 103710, 155565, 231619, 311130, 463238, 694857, 1158095, 1389714, 2084571, 2316190, 3474285, 4169142, 6948570, 10422855, 20845710]

約数ペア:

[(1, 20845710), (2, 10422855), (3, 6948570), (5, 4169142), (6, 3474285), (9, 2316190), (10, 2084571), (15, 1389714), (18, 1158095), (30, 694857), (45, 463238), (67, 311130), (90, 231619), (134, 155565), (201, 103710), (335, 62226), (402, 51855), (603, 34570), (670, 31113), (1005, 20742), (1206, 17285), (2010, 10371), (3015, 6914), (3457, 6030)]