20372715

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 42340320

約数和(自身を除く): 21967605

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 255, 269, 297, 405, 459, 495, 561, 765, 807, 891, 935, 1345, 1377, 1485, 1683, 2295, 2421, 2805, 2959, 4035, 4455, 4573, 5049, 6885, 7263, 8415, 8877, 12105, 13719, 14795, 15147, 21789, 22865, 25245, 26631, 36315, 41157, 44385, 50303, 68595, 75735, 79893, 108945, 123471, 133155, 150909, 205785, 239679, 251515, 370413, 399465, 452727, 617355, 754545, 1198395, 1358181, 1852065, 2263635, 4074543, 6790905, 20372715]

約数ペア:

[(1, 20372715), (3, 6790905), (5, 4074543), (9, 2263635), (11, 1852065), (15, 1358181), (17, 1198395), (27, 754545), (33, 617355), (45, 452727), (51, 399465), (55, 370413), (81, 251515), (85, 239679), (99, 205785), (135, 150909), (153, 133155), (165, 123471), (187, 108945), (255, 79893), (269, 75735), (297, 68595), (405, 50303), (459, 44385), (495, 41157), (561, 36315), (765, 26631), (807, 25245), (891, 22865), (935, 21789), (1345, 15147), (1377, 14795), (1485, 13719), (1683, 12105), (2295, 8877), (2421, 8415), (2805, 7263), (2959, 6885), (4035, 5049), (4455, 4573)]