20528168748

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{25463}}^1$

素因数の和:25643

約数の個数: 72

約数和(自身を含む): 50468425728

約数和(自身を除く): 29940256980

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 529, 762, 1058, 1524, 1587, 2116, 2921, 3174, 5842, 6348, 8763, 11684, 17526, 25463, 35052, 50926, 67183, 76389, 101852, 134366, 152778, 201549, 268732, 305556, 403098, 585649, 806196, 1171298, 1756947, 2342596, 3233801, 3513894, 6467602, 7027788, 9701403, 12935204, 13469927, 19402806, 26939854, 38805612, 40409781, 53879708, 74377423, 80819562, 148754846, 161639124, 223132269, 297509692, 446264538, 892529076, 1710680729, 3421361458, 5132042187, 6842722916, 10264084374, 20528168748]

約数ペア:

[(1, 20528168748), (2, 10264084374), (3, 6842722916), (4, 5132042187), (6, 3421361458), (12, 1710680729), (23, 892529076), (46, 446264538), (69, 297509692), (92, 223132269), (127, 161639124), (138, 148754846), (254, 80819562), (276, 74377423), (381, 53879708), (508, 40409781), (529, 38805612), (762, 26939854), (1058, 19402806), (1524, 13469927), (1587, 12935204), (2116, 9701403), (2921, 7027788), (3174, 6467602), (5842, 3513894), (6348, 3233801), (8763, 2342596), (11684, 1756947), (17526, 1171298), (25463, 806196), (35052, 585649), (50926, 403098), (67183, 305556), (76389, 268732), (101852, 201549), (134366, 152778)]