20842250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 47056464

約数和(自身を除く): 26214214

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 53, 55, 65, 106, 110, 121, 125, 130, 143, 242, 250, 265, 275, 286, 325, 530, 550, 583, 605, 650, 689, 715, 1166, 1210, 1325, 1375, 1378, 1430, 1573, 1625, 2650, 2750, 2915, 3025, 3146, 3250, 3445, 3575, 5830, 6050, 6413, 6625, 6890, 7150, 7579, 7865, 12826, 13250, 14575, 15125, 15158, 15730, 17225, 17875, 29150, 30250, 32065, 34450, 35750, 37895, 39325, 64130, 72875, 75790, 78650, 83369, 86125, 145750, 160325, 166738, 172250, 189475, 196625, 320650, 378950, 393250, 416845, 801625, 833690, 947375, 1603250, 1894750, 2084225, 4168450, 10421125, 20842250]

約数ペア:

[(1, 20842250), (2, 10421125), (5, 4168450), (10, 2084225), (11, 1894750), (13, 1603250), (22, 947375), (25, 833690), (26, 801625), (50, 416845), (53, 393250), (55, 378950), (65, 320650), (106, 196625), (110, 189475), (121, 172250), (125, 166738), (130, 160325), (143, 145750), (242, 86125), (250, 83369), (265, 78650), (275, 75790), (286, 72875), (325, 64130), (530, 39325), (550, 37895), (583, 35750), (605, 34450), (650, 32065), (689, 30250), (715, 29150), (1166, 17875), (1210, 17225), (1325, 15730), (1375, 15158), (1378, 15125), (1430, 14575), (1573, 13250), (1625, 12826), (2650, 7865), (2750, 7579), (2915, 7150), (3025, 6890), (3146, 6625), (3250, 6413), (3445, 6050), (3575, 5830)]