20237089925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{19477}}^1$

素因数の和:19662

約数の個数: 48

約数和(自身を含む): 28403598720

約数和(自身を除く): 8166508795

約数列:

[1, 5, 13, 23, 25, 65, 115, 139, 299, 325, 575, 695, 1495, 1807, 3197, 3475, 7475, 9035, 15985, 19477, 41561, 45175, 79925, 97385, 207805, 253201, 447971, 486925, 1039025, 1266005, 2239855, 2707303, 5823623, 6330025, 11199275, 13536515, 29118115, 35194939, 62267969, 67682575, 145590575, 175974695, 311339845, 809483597, 879873475, 1556699225, 4047417985, 20237089925]

約数ペア:

[(1, 20237089925), (5, 4047417985), (13, 1556699225), (23, 879873475), (25, 809483597), (65, 311339845), (115, 175974695), (139, 145590575), (299, 67682575), (325, 62267969), (575, 35194939), (695, 29118115), (1495, 13536515), (1807, 11199275), (3197, 6330025), (3475, 5823623), (7475, 2707303), (9035, 2239855), (15985, 1266005), (19477, 1039025), (41561, 486925), (45175, 447971), (79925, 253201), (97385, 207805)]