20188860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19793}}^1$

素因数の和:19822

約数の個数: 48

約数和(自身を含む): 59857056

約数和(自身を除く): 39668196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19793, 39586, 59379, 79172, 98965, 118758, 197930, 237516, 296895, 336481, 395860, 593790, 672962, 1009443, 1187580, 1345924, 1682405, 2018886, 3364810, 4037772, 5047215, 6729620, 10094430, 20188860]

約数ペア:

[(1, 20188860), (2, 10094430), (3, 6729620), (4, 5047215), (5, 4037772), (6, 3364810), (10, 2018886), (12, 1682405), (15, 1345924), (17, 1187580), (20, 1009443), (30, 672962), (34, 593790), (51, 395860), (60, 336481), (68, 296895), (85, 237516), (102, 197930), (170, 118758), (204, 98965), (255, 79172), (340, 59379), (510, 39586), (1020, 19793)]