20623896

素因数分解:

$2^3\times 3^5\times {\mathrm{103}}^2$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 58492980

約数和(自身を除く): 37869084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 103, 108, 162, 206, 216, 243, 309, 324, 412, 486, 618, 648, 824, 927, 972, 1236, 1854, 1944, 2472, 2781, 3708, 5562, 7416, 8343, 10609, 11124, 16686, 21218, 22248, 25029, 31827, 33372, 42436, 50058, 63654, 66744, 84872, 95481, 100116, 127308, 190962, 200232, 254616, 286443, 381924, 572886, 763848, 859329, 1145772, 1718658, 2291544, 2577987, 3437316, 5155974, 6874632, 10311948, 20623896]

約数ペア:

[(1, 20623896), (2, 10311948), (3, 6874632), (4, 5155974), (6, 3437316), (8, 2577987), (9, 2291544), (12, 1718658), (18, 1145772), (24, 859329), (27, 763848), (36, 572886), (54, 381924), (72, 286443), (81, 254616), (103, 200232), (108, 190962), (162, 127308), (206, 100116), (216, 95481), (243, 84872), (309, 66744), (324, 63654), (412, 50058), (486, 42436), (618, 33372), (648, 31827), (824, 25029), (927, 22248), (972, 21218), (1236, 16686), (1854, 11124), (1944, 10609), (2472, 8343), (2781, 7416), (3708, 5562)]