20413872

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 42260688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 269, 272, 279, 306, 372, 408, 496, 527, 538, 558, 612, 744, 807, 816, 1054, 1076, 1116, 1224, 1488, 1581, 1614, 2108, 2152, 2232, 2421, 2448, 3162, 3228, 4216, 4304, 4464, 4573, 4743, 4842, 6324, 6456, 8339, 8432, 9146, 9486, 9684, 12648, 12912, 13719, 16678, 18292, 18972, 19368, 25017, 25296, 27438, 33356, 36584, 37944, 38736, 41157, 50034, 54876, 66712, 73168, 75051, 75888, 82314, 100068, 109752, 133424, 141763, 150102, 164628, 200136, 219504, 283526, 300204, 329256, 400272, 425289, 567052, 600408, 658512, 850578, 1134104, 1200816, 1275867, 1701156, 2268208, 2551734, 3402312, 5103468, 6804624, 10206936, 20413872]

約数ペア:

[(1, 20413872), (2, 10206936), (3, 6804624), (4, 5103468), (6, 3402312), (8, 2551734), (9, 2268208), (12, 1701156), (16, 1275867), (17, 1200816), (18, 1134104), (24, 850578), (31, 658512), (34, 600408), (36, 567052), (48, 425289), (51, 400272), (62, 329256), (68, 300204), (72, 283526), (93, 219504), (102, 200136), (124, 164628), (136, 150102), (144, 141763), (153, 133424), (186, 109752), (204, 100068), (248, 82314), (269, 75888), (272, 75051), (279, 73168), (306, 66712), (372, 54876), (408, 50034), (496, 41157), (527, 38736), (538, 37944), (558, 36584), (612, 33356), (744, 27438), (807, 25296), (816, 25017), (1054, 19368), (1076, 18972), (1116, 18292), (1224, 16678), (1488, 13719), (1581, 12912), (1614, 12648), (2108, 9684), (2152, 9486), (2232, 9146), (2421, 8432), (2448, 8339), (3162, 6456), (3228, 6324), (4216, 4842), (4304, 4743), (4464, 4573)]