20949500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 53936064

約数和(自身を除く): 32986564

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 250, 260, 275, 286, 293, 325, 500, 550, 572, 586, 650, 715, 1100, 1172, 1300, 1375, 1430, 1465, 1625, 2750, 2860, 2930, 3223, 3250, 3575, 3809, 5500, 5860, 6446, 6500, 7150, 7325, 7618, 12892, 14300, 14650, 15236, 16115, 17875, 19045, 29300, 32230, 35750, 36625, 38090, 41899, 64460, 71500, 73250, 76180, 80575, 83798, 95225, 146500, 161150, 167596, 190450, 209495, 322300, 380900, 402875, 418990, 476125, 805750, 837980, 952250, 1047475, 1611500, 1904500, 2094950, 4189900, 5237375, 10474750, 20949500]

約数ペア:

[(1, 20949500), (2, 10474750), (4, 5237375), (5, 4189900), (10, 2094950), (11, 1904500), (13, 1611500), (20, 1047475), (22, 952250), (25, 837980), (26, 805750), (44, 476125), (50, 418990), (52, 402875), (55, 380900), (65, 322300), (100, 209495), (110, 190450), (125, 167596), (130, 161150), (143, 146500), (220, 95225), (250, 83798), (260, 80575), (275, 76180), (286, 73250), (293, 71500), (325, 64460), (500, 41899), (550, 38090), (572, 36625), (586, 35750), (650, 32230), (715, 29300), (1100, 19045), (1172, 17875), (1300, 16115), (1375, 15236), (1430, 14650), (1465, 14300), (1625, 12892), (2750, 7618), (2860, 7325), (2930, 7150), (3223, 6500), (3250, 6446), (3575, 5860), (3809, 5500)]