20199012561

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{194197}}^1$

素因数の和:194350

約数の個数: 48

約数和(自身を含む): 36192292864

約数和(自身を除く): 15993280303

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 273, 381, 819, 889, 1143, 1651, 2667, 4953, 8001, 11557, 14859, 34671, 104013, 194197, 582591, 1359379, 1747773, 2524561, 4078137, 7573683, 12234411, 17671927, 22721049, 24663019, 53015781, 73989057, 159047343, 172641133, 221967171, 320619247, 517923399, 961857741, 1553770197, 2244334729, 2885573223, 6733004187, 20199012561]

約数ペア:

[(1, 20199012561), (3, 6733004187), (7, 2885573223), (9, 2244334729), (13, 1553770197), (21, 961857741), (39, 517923399), (63, 320619247), (91, 221967171), (117, 172641133), (127, 159047343), (273, 73989057), (381, 53015781), (819, 24663019), (889, 22721049), (1143, 17671927), (1651, 12234411), (2667, 7573683), (4953, 4078137), (8001, 2524561), (11557, 1747773), (14859, 1359379), (34671, 582591), (104013, 194197)]