20888906324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{53003}}^1$

素因数の和:53097

約数の個数: 72

約数和(自身を含む): 43997984352

約数和(自身を除く): 23109078028

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 169, 212, 286, 338, 572, 583, 676, 689, 1166, 1378, 1859, 2332, 2756, 3718, 7436, 7579, 8957, 15158, 17914, 30316, 35828, 53003, 98527, 106006, 197054, 212012, 394108, 583033, 689039, 1166066, 1378078, 2332132, 2756156, 2809159, 5618318, 7579429, 8957507, 11236636, 15158858, 17915014, 30317716, 30900749, 35830028, 36519067, 61801498, 73038134, 98532577, 123602996, 146076268, 197065154, 394130308, 401709737, 474747871, 803419474, 949495742, 1606838948, 1898991484, 5222226581, 10444453162, 20888906324]

約数ペア:

[(1, 20888906324), (2, 10444453162), (4, 5222226581), (11, 1898991484), (13, 1606838948), (22, 949495742), (26, 803419474), (44, 474747871), (52, 401709737), (53, 394130308), (106, 197065154), (143, 146076268), (169, 123602996), (212, 98532577), (286, 73038134), (338, 61801498), (572, 36519067), (583, 35830028), (676, 30900749), (689, 30317716), (1166, 17915014), (1378, 15158858), (1859, 11236636), (2332, 8957507), (2756, 7579429), (3718, 5618318), (7436, 2809159), (7579, 2756156), (8957, 2332132), (15158, 1378078), (17914, 1166066), (30316, 689039), (35828, 583033), (53003, 394108), (98527, 212012), (106006, 197054)]