20132685

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18574515

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 47, 57, 95, 135, 141, 167, 171, 235, 285, 423, 501, 513, 705, 835, 855, 893, 1269, 1503, 2115, 2505, 2565, 2679, 3173, 4465, 4509, 6345, 7515, 7849, 8037, 9519, 13395, 15865, 22545, 23547, 24111, 28557, 39245, 40185, 47595, 70641, 85671, 117735, 120555, 142785, 149131, 211923, 353205, 428355, 447393, 745655, 1059615, 1342179, 2236965, 4026537, 6710895, 20132685]

約数ペア:

[(1, 20132685), (3, 6710895), (5, 4026537), (9, 2236965), (15, 1342179), (19, 1059615), (27, 745655), (45, 447393), (47, 428355), (57, 353205), (95, 211923), (135, 149131), (141, 142785), (167, 120555), (171, 117735), (235, 85671), (285, 70641), (423, 47595), (501, 40185), (513, 39245), (705, 28557), (835, 24111), (855, 23547), (893, 22545), (1269, 15865), (1503, 13395), (2115, 9519), (2505, 8037), (2565, 7849), (2679, 7515), (3173, 6345), (4465, 4509)]