20462924

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 38916864

約数和(自身を除く): 18453940

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 361, 383, 703, 722, 766, 1406, 1444, 1532, 2812, 7277, 13357, 14171, 14554, 26714, 28342, 29108, 53428, 56684, 138263, 269249, 276526, 538498, 553052, 1076996, 5115731, 10231462, 20462924]

約数ペア:

[(1, 20462924), (2, 10231462), (4, 5115731), (19, 1076996), (37, 553052), (38, 538498), (74, 276526), (76, 269249), (148, 138263), (361, 56684), (383, 53428), (703, 29108), (722, 28342), (766, 26714), (1406, 14554), (1444, 14171), (1532, 13357), (2812, 7277)]