20347731256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1559}}^1\times {\mathrm{5051}}^1$

素因数の和:6652

約数の個数: 64

約数和(自身を含む): 42558048000

約数和(自身を除く): 22210316744

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 1559, 2584, 3118, 5051, 6236, 10102, 12472, 20204, 26503, 29621, 40408, 53006, 59242, 85867, 95969, 106012, 118484, 171734, 191938, 212024, 236968, 343468, 383876, 503557, 686936, 767752, 1007114, 1631473, 2014228, 3262946, 4028456, 6525892, 7874509, 13051784, 15749018, 31498036, 62996072, 133866653, 149615671, 267733306, 299231342, 535466612, 598462684, 1070933224, 1196925368, 2543466407, 5086932814, 10173865628, 20347731256]

約数ペア:

[(1, 20347731256), (2, 10173865628), (4, 5086932814), (8, 2543466407), (17, 1196925368), (19, 1070933224), (34, 598462684), (38, 535466612), (68, 299231342), (76, 267733306), (136, 149615671), (152, 133866653), (323, 62996072), (646, 31498036), (1292, 15749018), (1559, 13051784), (2584, 7874509), (3118, 6525892), (5051, 4028456), (6236, 3262946), (10102, 2014228), (12472, 1631473), (20204, 1007114), (26503, 767752), (29621, 686936), (40408, 503557), (53006, 383876), (59242, 343468), (85867, 236968), (95969, 212024), (106012, 191938), (118484, 171734)]