20178496

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:411

約数の個数: 56

約数和(自身を含む): 43809920

約数和(自身を除く): 23631424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 158, 208, 307, 316, 416, 614, 632, 832, 1027, 1228, 1264, 2054, 2456, 2528, 3991, 4108, 4912, 5056, 7982, 8216, 9824, 15964, 16432, 19648, 24253, 31928, 32864, 48506, 63856, 65728, 97012, 127712, 194024, 255424, 315289, 388048, 630578, 776096, 1261156, 1552192, 2522312, 5044624, 10089248, 20178496]

約数ペア:

[(1, 20178496), (2, 10089248), (4, 5044624), (8, 2522312), (13, 1552192), (16, 1261156), (26, 776096), (32, 630578), (52, 388048), (64, 315289), (79, 255424), (104, 194024), (158, 127712), (208, 97012), (307, 65728), (316, 63856), (416, 48506), (614, 32864), (632, 31928), (832, 24253), (1027, 19648), (1228, 16432), (1264, 15964), (2054, 9824), (2456, 8216), (2528, 7982), (3991, 5056), (4108, 4912)]