20162682100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20389}}^1$

素因数の和:20474

約数の個数: 144

約数和(自身を含む): 50971737600

約数和(自身を除く): 30809055500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 31, 44, 50, 55, 58, 62, 100, 110, 116, 124, 145, 155, 220, 275, 290, 310, 319, 341, 550, 580, 620, 638, 682, 725, 775, 899, 1100, 1276, 1364, 1450, 1550, 1595, 1705, 1798, 2900, 3100, 3190, 3410, 3596, 4495, 6380, 6820, 7975, 8525, 8990, 9889, 15950, 17050, 17980, 19778, 20389, 22475, 31900, 34100, 39556, 40778, 44950, 49445, 81556, 89900, 98890, 101945, 197780, 203890, 224279, 247225, 407780, 448558, 494450, 509725, 591281, 632059, 897116, 988900, 1019450, 1121395, 1182562, 1264118, 2038900, 2242790, 2365124, 2528236, 2956405, 3160295, 4485580, 5606975, 5912810, 6320590, 6504091, 6952649, 11213950, 11825620, 12641180, 13008182, 13905298, 14782025, 15801475, 18329711, 22427900, 26016364, 27810596, 29564050, 31602950, 32520455, 34763245, 36659422, 59128100, 63205900, 65040910, 69526490, 73318844, 91648555, 130081820, 139052980, 162602275, 173816225, 183297110, 201626821, 325204550, 347632450, 366594220, 403253642, 458242775, 650409100, 695264900, 806507284, 916485550, 1008134105, 1832971100, 2016268210, 4032536420, 5040670525, 10081341050, 20162682100]

約数ペア:

[(1, 20162682100), (2, 10081341050), (4, 5040670525), (5, 4032536420), (10, 2016268210), (11, 1832971100), (20, 1008134105), (22, 916485550), (25, 806507284), (29, 695264900), (31, 650409100), (44, 458242775), (50, 403253642), (55, 366594220), (58, 347632450), (62, 325204550), (100, 201626821), (110, 183297110), (116, 173816225), (124, 162602275), (145, 139052980), (155, 130081820), (220, 91648555), (275, 73318844), (290, 69526490), (310, 65040910), (319, 63205900), (341, 59128100), (550, 36659422), (580, 34763245), (620, 32520455), (638, 31602950), (682, 29564050), (725, 27810596), (775, 26016364), (899, 22427900), (1100, 18329711), (1276, 15801475), (1364, 14782025), (1450, 13905298), (1550, 13008182), (1595, 12641180), (1705, 11825620), (1798, 11213950), (2900, 6952649), (3100, 6504091), (3190, 6320590), (3410, 5912810), (3596, 5606975), (4495, 4485580), (6380, 3160295), (6820, 2956405), (7975, 2528236), (8525, 2365124), (8990, 2242790), (9889, 2038900), (15950, 1264118), (17050, 1182562), (17980, 1121395), (19778, 1019450), (20389, 988900), (22475, 897116), (31900, 632059), (34100, 591281), (39556, 509725), (40778, 494450), (44950, 448558), (49445, 407780), (81556, 247225), (89900, 224279), (98890, 203890), (101945, 197780)]