20177761635

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{32443}}^1$

素因数の和:32745

約数の個数: 64

約数和(自身を含む): 38122997760

約数和(自身を除く): 17945236125

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 271, 459, 765, 813, 1355, 2295, 2439, 4065, 4607, 7317, 12195, 13821, 23035, 32443, 36585, 41463, 69105, 97329, 124389, 162215, 207315, 291987, 486645, 551531, 621945, 875961, 1459935, 1654593, 2757655, 4379805, 4963779, 8272965, 8792053, 14891337, 24818895, 26376159, 43960265, 74456685, 79128477, 131880795, 149464901, 237385431, 395642385, 448394703, 747324505, 1186927155, 1345184109, 2241973515, 4035552327, 6725920545, 20177761635]

約数ペア:

[(1, 20177761635), (3, 6725920545), (5, 4035552327), (9, 2241973515), (15, 1345184109), (17, 1186927155), (27, 747324505), (45, 448394703), (51, 395642385), (85, 237385431), (135, 149464901), (153, 131880795), (255, 79128477), (271, 74456685), (459, 43960265), (765, 26376159), (813, 24818895), (1355, 14891337), (2295, 8792053), (2439, 8272965), (4065, 4963779), (4607, 4379805), (7317, 2757655), (12195, 1654593), (13821, 1459935), (23035, 875961), (32443, 621945), (36585, 551531), (41463, 486645), (69105, 291987), (97329, 207315), (124389, 162215)]