20346753

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 11731839

約数列:

[1, 3, 7, 21, 53, 101, 159, 181, 303, 371, 543, 707, 1113, 1267, 2121, 3801, 5353, 9593, 16059, 18281, 28779, 37471, 54843, 67151, 112413, 127967, 201453, 383901, 968893, 2906679, 6782251, 20346753]

約数ペア:

[(1, 20346753), (3, 6782251), (7, 2906679), (21, 968893), (53, 383901), (101, 201453), (159, 127967), (181, 112413), (303, 67151), (371, 54843), (543, 37471), (707, 28779), (1113, 18281), (1267, 16059), (2121, 9593), (3801, 5353)]