20864508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41228292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 51, 57, 68, 76, 84, 102, 114, 119, 133, 204, 228, 238, 266, 323, 357, 399, 476, 532, 646, 714, 769, 798, 969, 1292, 1428, 1538, 1596, 1938, 2261, 2307, 3076, 3876, 4522, 4614, 5383, 6783, 9044, 9228, 10766, 13073, 13566, 14611, 16149, 21532, 26146, 27132, 29222, 32298, 39219, 43833, 52292, 58444, 64596, 78438, 87666, 91511, 102277, 156876, 175332, 183022, 204554, 248387, 274533, 306831, 366044, 409108, 496774, 549066, 613662, 745161, 993548, 1098132, 1227324, 1490322, 1738709, 2980644, 3477418, 5216127, 6954836, 10432254, 20864508]

約数ペア:

[(1, 20864508), (2, 10432254), (3, 6954836), (4, 5216127), (6, 3477418), (7, 2980644), (12, 1738709), (14, 1490322), (17, 1227324), (19, 1098132), (21, 993548), (28, 745161), (34, 613662), (38, 549066), (42, 496774), (51, 409108), (57, 366044), (68, 306831), (76, 274533), (84, 248387), (102, 204554), (114, 183022), (119, 175332), (133, 156876), (204, 102277), (228, 91511), (238, 87666), (266, 78438), (323, 64596), (357, 58444), (399, 52292), (476, 43833), (532, 39219), (646, 32298), (714, 29222), (769, 27132), (798, 26146), (969, 21532), (1292, 16149), (1428, 14611), (1538, 13566), (1596, 13073), (1938, 10766), (2261, 9228), (2307, 9044), (3076, 6783), (3876, 5383), (4522, 4614)]