20210420735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{349}}^1\times {\mathrm{6067}}^1$

素因数の和:6527

約数の個数: 32

約数和(自身を含む): 25689484800

約数和(自身を除く): 5479064065

約数列:

[1, 5, 23, 83, 115, 349, 415, 1745, 1909, 6067, 8027, 9545, 28967, 30335, 40135, 139541, 144835, 503561, 666241, 697705, 2117383, 2517805, 3331205, 10586915, 11581903, 48699809, 57909515, 175742789, 243499045, 878713945, 4042084147, 20210420735]

約数ペア:

[(1, 20210420735), (5, 4042084147), (23, 878713945), (83, 243499045), (115, 175742789), (349, 57909515), (415, 48699809), (1745, 11581903), (1909, 10586915), (6067, 3331205), (8027, 2517805), (9545, 2117383), (28967, 697705), (30335, 666241), (40135, 503561), (139541, 144835)]