20162856175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{16139}}^1$

素因数の和:16237

約数の個数: 72

約数和(自身を含む): 31941705600

約数和(自身を除く): 11778849425

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 121, 175, 275, 295, 385, 413, 605, 649, 847, 1475, 1925, 2065, 3025, 3245, 4235, 4543, 7139, 10325, 16139, 16225, 21175, 22715, 35695, 49973, 80695, 112973, 113575, 177529, 178475, 249865, 403475, 564865, 887645, 952201, 1242703, 1249325, 1952819, 2824325, 4438225, 4761005, 6213515, 6665407, 9764095, 10474211, 13669733, 23805025, 31067575, 33327035, 48820475, 52371055, 68348665, 73319477, 115216321, 166635175, 261855275, 341743325, 366597385, 576081605, 806514247, 1832986925, 2880408025, 4032571235, 20162856175]

約数ペア:

[(1, 20162856175), (5, 4032571235), (7, 2880408025), (11, 1832986925), (25, 806514247), (35, 576081605), (55, 366597385), (59, 341743325), (77, 261855275), (121, 166635175), (175, 115216321), (275, 73319477), (295, 68348665), (385, 52371055), (413, 48820475), (605, 33327035), (649, 31067575), (847, 23805025), (1475, 13669733), (1925, 10474211), (2065, 9764095), (3025, 6665407), (3245, 6213515), (4235, 4761005), (4543, 4438225), (7139, 2824325), (10325, 1952819), (16139, 1249325), (16225, 1242703), (21175, 952201), (22715, 887645), (35695, 564865), (49973, 403475), (80695, 249865), (112973, 178475), (113575, 177529)]