20797284975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{14081}}^1$

素因数の和:14560

約数の個数: 48

約数和(自身を含む): 35202746880

約数和(自身を除く): 14405461905

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 419, 705, 1175, 1257, 2095, 3525, 6285, 10475, 14081, 19693, 31425, 42243, 59079, 70405, 98465, 211215, 295395, 352025, 492325, 661807, 1056075, 1476975, 1985421, 3309035, 5899939, 9927105, 16545175, 17699817, 29499695, 49635525, 88499085, 147498475, 277297133, 442495425, 831891399, 1386485665, 4159456995, 6932428325, 20797284975]

約数ペア:

[(1, 20797284975), (3, 6932428325), (5, 4159456995), (15, 1386485665), (25, 831891399), (47, 442495425), (75, 277297133), (141, 147498475), (235, 88499085), (419, 49635525), (705, 29499695), (1175, 17699817), (1257, 16545175), (2095, 9927105), (3525, 5899939), (6285, 3309035), (10475, 1985421), (14081, 1476975), (19693, 1056075), (31425, 661807), (42243, 492325), (59079, 352025), (70405, 295395), (98465, 211215)]