20187780237

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{11633}}^1$

素因数の和:11838

約数の個数: 48

約数和(自身を含む): 30944113200

約数和(自身を除く): 10756332963

約数列:

[1, 3, 9, 29, 61, 87, 109, 183, 261, 327, 549, 981, 1769, 3161, 5307, 6649, 9483, 11633, 15921, 19947, 28449, 34899, 59841, 104697, 192821, 337357, 578463, 709613, 1012071, 1267997, 1735389, 2128839, 3036213, 3803991, 6386517, 11411973, 20578777, 36771913, 61736331, 77347817, 110315739, 185208993, 232043451, 330947217, 696130353, 2243086693, 6729260079, 20187780237]

約数ペア:

[(1, 20187780237), (3, 6729260079), (9, 2243086693), (29, 696130353), (61, 330947217), (87, 232043451), (109, 185208993), (183, 110315739), (261, 77347817), (327, 61736331), (549, 36771913), (981, 20578777), (1769, 11411973), (3161, 6386517), (5307, 3803991), (6649, 3036213), (9483, 2128839), (11633, 1735389), (15921, 1267997), (19947, 1012071), (28449, 709613), (34899, 578463), (59841, 337357), (104697, 192821)]