20066366985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 38513664000

約数和(自身を除く): 18447297015

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 59, 105, 123, 177, 199, 205, 287, 295, 397, 413, 597, 615, 861, 885, 995, 1191, 1239, 1393, 1435, 1985, 2065, 2419, 2779, 2985, 4179, 4305, 5955, 6195, 6965, 7257, 8159, 8337, 11741, 12095, 13895, 16277, 16933, 20895, 23423, 24477, 35223, 36285, 40795, 41685, 48831, 50799, 57113, 58705, 70269, 79003, 81385, 82187, 84665, 113939, 117115, 122385, 163961, 171339, 176115, 237009, 244155, 246561, 253995, 285565, 341817, 351345, 395015, 410935, 481381, 491883, 553021, 569695, 819805, 856695, 960343, 1185045, 1232805, 1444143, 1659063, 1709085, 2406905, 2459415, 2765105, 2881029, 3239123, 3369667, 4661177, 4801715, 6722401, 7220715, 8295315, 9717369, 10109001, 13983531, 14405145, 16195615, 16848335, 20167203, 22673861, 23305885, 32628239, 33612005, 48586845, 50545005, 68021583, 69917655, 97884717, 100836015, 113369305, 163141195, 191108257, 340107915, 489423585, 573324771, 955541285, 1337757799, 2866623855, 4013273397, 6688788995, 20066366985]

約数ペア:

[(1, 20066366985), (3, 6688788995), (5, 4013273397), (7, 2866623855), (15, 1337757799), (21, 955541285), (35, 573324771), (41, 489423585), (59, 340107915), (105, 191108257), (123, 163141195), (177, 113369305), (199, 100836015), (205, 97884717), (287, 69917655), (295, 68021583), (397, 50545005), (413, 48586845), (597, 33612005), (615, 32628239), (861, 23305885), (885, 22673861), (995, 20167203), (1191, 16848335), (1239, 16195615), (1393, 14405145), (1435, 13983531), (1985, 10109001), (2065, 9717369), (2419, 8295315), (2779, 7220715), (2985, 6722401), (4179, 4801715), (4305, 4661177), (5955, 3369667), (6195, 3239123), (6965, 2881029), (7257, 2765105), (8159, 2459415), (8337, 2406905), (11741, 1709085), (12095, 1659063), (13895, 1444143), (16277, 1232805), (16933, 1185045), (20895, 960343), (23423, 856695), (24477, 819805), (35223, 569695), (36285, 553021), (40795, 491883), (41685, 481381), (48831, 410935), (50799, 395015), (57113, 351345), (58705, 341817), (70269, 285565), (79003, 253995), (81385, 246561), (82187, 244155), (84665, 237009), (113939, 176115), (117115, 171339), (122385, 163961)]