20775735

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 38009088

約数和(自身を除く): 17233353

約数列:

[1, 3, 5, 9, 15, 31, 45, 53, 93, 155, 159, 265, 279, 281, 465, 477, 795, 843, 1395, 1405, 1643, 2385, 2529, 4215, 4929, 8215, 8711, 12645, 14787, 14893, 24645, 26133, 43555, 44679, 73935, 74465, 78399, 130665, 134037, 223395, 391995, 461683, 670185, 1385049, 2308415, 4155147, 6925245, 20775735]

約数ペア:

[(1, 20775735), (3, 6925245), (5, 4155147), (9, 2308415), (15, 1385049), (31, 670185), (45, 461683), (53, 391995), (93, 223395), (155, 134037), (159, 130665), (265, 78399), (279, 74465), (281, 73935), (465, 44679), (477, 43555), (795, 26133), (843, 24645), (1395, 14893), (1405, 14787), (1643, 12645), (2385, 8711), (2529, 8215), (4215, 4929)]