20616736

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3017

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 27283424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2969, 3472, 5938, 6944, 11876, 20783, 23752, 41566, 47504, 83132, 92039, 95008, 166264, 184078, 332528, 368156, 644273, 665056, 736312, 1288546, 1472624, 2577092, 2945248, 5154184, 10308368, 20616736]

約数ペア:

[(1, 20616736), (2, 10308368), (4, 5154184), (7, 2945248), (8, 2577092), (14, 1472624), (16, 1288546), (28, 736312), (31, 665056), (32, 644273), (56, 368156), (62, 332528), (112, 184078), (124, 166264), (217, 95008), (224, 92039), (248, 83132), (434, 47504), (496, 41566), (868, 23752), (992, 20783), (1736, 11876), (2969, 6944), (3472, 5938)]