20407328025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{7561}}^1$

素因数の和:7731

約数の個数: 96

約数和(自身を含む): 39697959168

約数和(自身を除く): 19290631143

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 97, 105, 159, 175, 265, 291, 371, 485, 525, 679, 795, 1113, 1325, 1455, 1855, 2037, 2425, 3395, 3975, 5141, 5565, 7275, 7561, 9275, 10185, 15423, 16975, 22683, 25705, 27825, 35987, 37805, 50925, 52927, 77115, 107961, 113415, 128525, 158781, 179935, 189025, 264635, 385575, 400733, 539805, 567075, 733417, 793905, 899675, 1202199, 1323175, 2003665, 2200251, 2699025, 2805131, 3667085, 3969525, 5133919, 6010995, 8415393, 10018325, 11001255, 14025655, 15401757, 18335425, 25669595, 30054975, 38871101, 42076965, 55006275, 70128275, 77008785, 116613303, 128347975, 194355505, 210384825, 272097707, 385043925, 583066515, 816293121, 971777525, 1360488535, 2915332575, 4081465605, 6802442675, 20407328025]

約数ペア:

[(1, 20407328025), (3, 6802442675), (5, 4081465605), (7, 2915332575), (15, 1360488535), (21, 971777525), (25, 816293121), (35, 583066515), (53, 385043925), (75, 272097707), (97, 210384825), (105, 194355505), (159, 128347975), (175, 116613303), (265, 77008785), (291, 70128275), (371, 55006275), (485, 42076965), (525, 38871101), (679, 30054975), (795, 25669595), (1113, 18335425), (1325, 15401757), (1455, 14025655), (1855, 11001255), (2037, 10018325), (2425, 8415393), (3395, 6010995), (3975, 5133919), (5141, 3969525), (5565, 3667085), (7275, 2805131), (7561, 2699025), (9275, 2200251), (10185, 2003665), (15423, 1323175), (16975, 1202199), (22683, 899675), (25705, 793905), (27825, 733417), (35987, 567075), (37805, 539805), (50925, 400733), (52927, 385575), (77115, 264635), (107961, 189025), (113415, 179935), (128525, 158781)]