20154328172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{178439}}^1$

素因数の和:178622

約数の個数: 48

約数和(自身を含む): 41009794560

約数和(自身を除く): 20855466388

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 151, 187, 302, 374, 604, 748, 1661, 2567, 3322, 5134, 6644, 10268, 28237, 56474, 112948, 178439, 356878, 713756, 1962829, 3033463, 3925658, 6066926, 7851316, 12133852, 26944289, 33368093, 53888578, 66736186, 107777156, 133472372, 296387179, 458052913, 592774358, 916105826, 1185548716, 1832211652, 5038582043, 10077164086, 20154328172]

約数ペア:

[(1, 20154328172), (2, 10077164086), (4, 5038582043), (11, 1832211652), (17, 1185548716), (22, 916105826), (34, 592774358), (44, 458052913), (68, 296387179), (151, 133472372), (187, 107777156), (302, 66736186), (374, 53888578), (604, 33368093), (748, 26944289), (1661, 12133852), (2567, 7851316), (3322, 6066926), (5134, 3925658), (6644, 3033463), (10268, 1962829), (28237, 713756), (56474, 356878), (112948, 178439)]