20512692060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48839743}}^1$

素因数の和:48839762

約数の個数: 48

約数和(自身を含む): 65640615936

約数和(自身を除く): 45127923876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48839743, 97679486, 146519229, 195358972, 244198715, 293038458, 341878201, 488397430, 586076916, 683756402, 732596145, 976794860, 1025634603, 1367512804, 1465192290, 1709391005, 2051269206, 2930384580, 3418782010, 4102538412, 5128173015, 6837564020, 10256346030, 20512692060]

約数ペア:

[(1, 20512692060), (2, 10256346030), (3, 6837564020), (4, 5128173015), (5, 4102538412), (6, 3418782010), (7, 2930384580), (10, 2051269206), (12, 1709391005), (14, 1465192290), (15, 1367512804), (20, 1025634603), (21, 976794860), (28, 732596145), (30, 683756402), (35, 586076916), (42, 488397430), (60, 341878201), (70, 293038458), (84, 244198715), (105, 195358972), (140, 146519229), (210, 97679486), (420, 48839743)]