20378713025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{44939}}^1$

素因数の和:45074

約数の個数: 48

約数和(自身を含む): 29489987520

約数和(自身を除く): 9111274495

約数列:

[1, 5, 11, 17, 25, 55, 85, 97, 187, 275, 425, 485, 935, 1067, 1649, 2425, 4675, 5335, 8245, 18139, 26675, 41225, 44939, 90695, 224695, 453475, 494329, 763963, 1123475, 2471645, 3819815, 4359083, 8403593, 12358225, 19099075, 21795415, 42017965, 47949913, 74104411, 108977075, 210089825, 239749565, 370522055, 815148521, 1198747825, 1852610275, 4075742605, 20378713025]

約数ペア:

[(1, 20378713025), (5, 4075742605), (11, 1852610275), (17, 1198747825), (25, 815148521), (55, 370522055), (85, 239749565), (97, 210089825), (187, 108977075), (275, 74104411), (425, 47949913), (485, 42017965), (935, 21795415), (1067, 19099075), (1649, 12358225), (2425, 8403593), (4675, 4359083), (5335, 3819815), (8245, 2471645), (18139, 1123475), (26675, 763963), (41225, 494329), (44939, 453475), (90695, 224695)]