20177625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4170

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 15989415

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4139, 4875, 12417, 20695, 53807, 62085, 103475, 161421, 269035, 310425, 517375, 807105, 1345175, 1552125, 4035525, 6725875, 20177625]

約数ペア:

[(1, 20177625), (3, 6725875), (5, 4035525), (13, 1552125), (15, 1345175), (25, 807105), (39, 517375), (65, 310425), (75, 269035), (125, 161421), (195, 103475), (325, 62085), (375, 53807), (975, 20695), (1625, 12417), (4139, 4875)]