20126097220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{402361}}^1$

素因数の和:402472

約数の個数: 48

約数和(自身を含む): 44005527216

約数和(自身を除く): 23879429996

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 5002, 10004, 12505, 25010, 50020, 402361, 804722, 1609444, 2011805, 4023610, 8047220, 16496801, 24544021, 32993602, 49088042, 65987204, 82484005, 98176084, 122720105, 164968010, 245440210, 329936020, 490880420, 1006304861, 2012609722, 4025219444, 5031524305, 10063048610, 20126097220]

約数ペア:

[(1, 20126097220), (2, 10063048610), (4, 5031524305), (5, 4025219444), (10, 2012609722), (20, 1006304861), (41, 490880420), (61, 329936020), (82, 245440210), (122, 164968010), (164, 122720105), (205, 98176084), (244, 82484005), (305, 65987204), (410, 49088042), (610, 32993602), (820, 24544021), (1220, 16496801), (2501, 8047220), (5002, 4023610), (10004, 2011805), (12505, 1609444), (25010, 804722), (50020, 402361)]