20553744

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 57774080

約数和(自身を除く): 37220336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 727, 744, 912, 1178, 1454, 1488, 1767, 2181, 2356, 2908, 3534, 4362, 4712, 5816, 7068, 8724, 9424, 11632, 13813, 14136, 17448, 22537, 27626, 28272, 34896, 41439, 45074, 55252, 67611, 82878, 90148, 110504, 135222, 165756, 180296, 221008, 270444, 331512, 360592, 428203, 540888, 663024, 856406, 1081776, 1284609, 1712812, 2569218, 3425624, 5138436, 6851248, 10276872, 20553744]

約数ペア:

[(1, 20553744), (2, 10276872), (3, 6851248), (4, 5138436), (6, 3425624), (8, 2569218), (12, 1712812), (16, 1284609), (19, 1081776), (24, 856406), (31, 663024), (38, 540888), (48, 428203), (57, 360592), (62, 331512), (76, 270444), (93, 221008), (114, 180296), (124, 165756), (152, 135222), (186, 110504), (228, 90148), (248, 82878), (304, 67611), (372, 55252), (456, 45074), (496, 41439), (589, 34896), (727, 28272), (744, 27626), (912, 22537), (1178, 17448), (1454, 14136), (1488, 13813), (1767, 11632), (2181, 9424), (2356, 8724), (2908, 7068), (3534, 5816), (4362, 4712)]