20104421816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{250979}}^1$

素因数の和:251052

約数の個数: 64

約数和(自身を含む): 43369344000

約数和(自身を除く): 23264922184

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 527, 589, 646, 1054, 1178, 1292, 2108, 2356, 2584, 4216, 4712, 10013, 20026, 40052, 80104, 250979, 501958, 1003916, 2007832, 4266643, 4768601, 7780349, 8533286, 9537202, 15560698, 17066572, 19074404, 31121396, 34133144, 38148808, 62242792, 81066217, 132265933, 147826631, 162132434, 264531866, 295653262, 324264868, 529063732, 591306524, 648529736, 1058127464, 1182613048, 2513052727, 5026105454, 10052210908, 20104421816]

約数ペア:

[(1, 20104421816), (2, 10052210908), (4, 5026105454), (8, 2513052727), (17, 1182613048), (19, 1058127464), (31, 648529736), (34, 591306524), (38, 529063732), (62, 324264868), (68, 295653262), (76, 264531866), (124, 162132434), (136, 147826631), (152, 132265933), (248, 81066217), (323, 62242792), (527, 38148808), (589, 34133144), (646, 31121396), (1054, 19074404), (1178, 17066572), (1292, 15560698), (2108, 9537202), (2356, 8533286), (2584, 7780349), (4216, 4768601), (4712, 4266643), (10013, 2007832), (20026, 1003916), (40052, 501958), (80104, 250979)]