20985432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67261}}^1$

素因数の和:67283

約数の個数: 32

約数和(自身を含む): 56500080

約数和(自身を除く): 35514648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67261, 134522, 201783, 269044, 403566, 538088, 807132, 874393, 1614264, 1748786, 2623179, 3497572, 5246358, 6995144, 10492716, 20985432]

約数ペア:

[(1, 20985432), (2, 10492716), (3, 6995144), (4, 5246358), (6, 3497572), (8, 2623179), (12, 1748786), (13, 1614264), (24, 874393), (26, 807132), (39, 538088), (52, 403566), (78, 269044), (104, 201783), (156, 134522), (312, 67261)]