20197284107

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{6359}}^1$

素因数の和:6576

約数の個数: 64

約数和(自身を含む): 28720742400

約数和(自身を除く): 8523458293

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 167, 209, 247, 1001, 1169, 1463, 1729, 1837, 2171, 2717, 3173, 6359, 12859, 15197, 19019, 22211, 23881, 34903, 41249, 44513, 69949, 82667, 120821, 167167, 244321, 288743, 453739, 489643, 578669, 845747, 909337, 1061953, 1329031, 1570673, 3176173, 6365359, 7433671, 9303217, 10994711, 11681483, 13805389, 17277403, 20177107, 81770381, 96637723, 120941821, 141239749, 151859279, 221948177, 262302391, 1063014953, 1553637239, 1836116737, 2885326301, 20197284107]

約数ペア:

[(1, 20197284107), (7, 2885326301), (11, 1836116737), (13, 1553637239), (19, 1063014953), (77, 262302391), (91, 221948177), (133, 151859279), (143, 141239749), (167, 120941821), (209, 96637723), (247, 81770381), (1001, 20177107), (1169, 17277403), (1463, 13805389), (1729, 11681483), (1837, 10994711), (2171, 9303217), (2717, 7433671), (3173, 6365359), (6359, 3176173), (12859, 1570673), (15197, 1329031), (19019, 1061953), (22211, 909337), (23881, 845747), (34903, 578669), (41249, 489643), (44513, 453739), (69949, 288743), (82667, 244321), (120821, 167167)]