20936896

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 22588544

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 79, 82, 101, 158, 164, 202, 316, 328, 404, 632, 656, 808, 1264, 1312, 1616, 2528, 2624, 3232, 3239, 4141, 5056, 6464, 6478, 7979, 8282, 12956, 15958, 16564, 25912, 31916, 33128, 51824, 63832, 66256, 103648, 127664, 132512, 207296, 255328, 265024, 327139, 510656, 654278, 1308556, 2617112, 5234224, 10468448, 20936896]

約数ペア:

[(1, 20936896), (2, 10468448), (4, 5234224), (8, 2617112), (16, 1308556), (32, 654278), (41, 510656), (64, 327139), (79, 265024), (82, 255328), (101, 207296), (158, 132512), (164, 127664), (202, 103648), (316, 66256), (328, 63832), (404, 51824), (632, 33128), (656, 31916), (808, 25912), (1264, 16564), (1312, 15958), (1616, 12956), (2528, 8282), (2624, 7979), (3232, 6478), (3239, 6464), (4141, 5056)]