20877408

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1108

約数の個数: 72

約数和(自身を含む): 60265296

約数和(自身を除く): 39387888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1021, 1136, 1278, 1704, 2042, 2272, 2556, 3063, 3408, 4084, 5112, 6126, 6816, 8168, 9189, 10224, 12252, 16336, 18378, 20448, 24504, 32672, 36756, 49008, 72491, 73512, 98016, 144982, 147024, 217473, 289964, 294048, 434946, 579928, 652419, 869892, 1159856, 1304838, 1739784, 2319712, 2609676, 3479568, 5219352, 6959136, 10438704, 20877408]

約数ペア:

[(1, 20877408), (2, 10438704), (3, 6959136), (4, 5219352), (6, 3479568), (8, 2609676), (9, 2319712), (12, 1739784), (16, 1304838), (18, 1159856), (24, 869892), (32, 652419), (36, 579928), (48, 434946), (71, 294048), (72, 289964), (96, 217473), (142, 147024), (144, 144982), (213, 98016), (284, 73512), (288, 72491), (426, 49008), (568, 36756), (639, 32672), (852, 24504), (1021, 20448), (1136, 18378), (1278, 16336), (1704, 12252), (2042, 10224), (2272, 9189), (2556, 8168), (3063, 6816), (3408, 6126), (4084, 5112)]