20081858404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1$

素因数の和:1505

約数の個数: 96

約数和(自身を含む): 39694233600

約数和(自身を除く): 19612375196

約数列:

[1, 2, 4, 19, 29, 31, 38, 58, 62, 76, 116, 124, 251, 502, 551, 589, 899, 1004, 1102, 1171, 1178, 1798, 2204, 2342, 2356, 3596, 4684, 4769, 7279, 7781, 9538, 14558, 15562, 17081, 19076, 22249, 29116, 31124, 33959, 34162, 36301, 44498, 67918, 68324, 72602, 88996, 135836, 138301, 145204, 147839, 225649, 276602, 293921, 295678, 451298, 553204, 587842, 591356, 645221, 689719, 902596, 1052729, 1175684, 1290442, 1379438, 2105458, 2580884, 2758876, 4210916, 4287331, 5584499, 8523709, 8574662, 9111551, 11168998, 17047418, 17149324, 18223102, 20001851, 22337996, 34094836, 36446204, 40003702, 80007404, 161950471, 173119469, 264234979, 323900942, 346238938, 528469958, 647801884, 692477876, 1056939916, 5020464601, 10040929202, 20081858404]

約数ペア:

[(1, 20081858404), (2, 10040929202), (4, 5020464601), (19, 1056939916), (29, 692477876), (31, 647801884), (38, 528469958), (58, 346238938), (62, 323900942), (76, 264234979), (116, 173119469), (124, 161950471), (251, 80007404), (502, 40003702), (551, 36446204), (589, 34094836), (899, 22337996), (1004, 20001851), (1102, 18223102), (1171, 17149324), (1178, 17047418), (1798, 11168998), (2204, 9111551), (2342, 8574662), (2356, 8523709), (3596, 5584499), (4684, 4287331), (4769, 4210916), (7279, 2758876), (7781, 2580884), (9538, 2105458), (14558, 1379438), (15562, 1290442), (17081, 1175684), (19076, 1052729), (22249, 902596), (29116, 689719), (31124, 645221), (33959, 591356), (34162, 587842), (36301, 553204), (44498, 451298), (67918, 295678), (68324, 293921), (72602, 276602), (88996, 225649), (135836, 147839), (138301, 145204)]