20557746

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 50855040

約数和(自身を除く): 30297294

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 53, 54, 66, 99, 106, 159, 198, 297, 318, 477, 583, 594, 653, 954, 1166, 1306, 1431, 1749, 1959, 2862, 3498, 3918, 5247, 5877, 7183, 10494, 11754, 14366, 15741, 17631, 21549, 31482, 34609, 35262, 43098, 64647, 69218, 103827, 129294, 193941, 207654, 311481, 380699, 387882, 622962, 761398, 934443, 1142097, 1868886, 2284194, 3426291, 6852582, 10278873, 20557746]

約数ペア:

[(1, 20557746), (2, 10278873), (3, 6852582), (6, 3426291), (9, 2284194), (11, 1868886), (18, 1142097), (22, 934443), (27, 761398), (33, 622962), (53, 387882), (54, 380699), (66, 311481), (99, 207654), (106, 193941), (159, 129294), (198, 103827), (297, 69218), (318, 64647), (477, 43098), (583, 35262), (594, 34609), (653, 31482), (954, 21549), (1166, 17631), (1306, 15741), (1431, 14366), (1749, 11754), (1959, 10494), (2862, 7183), (3498, 5877), (3918, 5247)]