20201478542

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1\times {\mathrm{863}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 36508631040

約数和(自身を除く): 16307152498

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 523, 863, 973, 1046, 1726, 1946, 3197, 3661, 6041, 6394, 7322, 12029, 12082, 19849, 22379, 24058, 39698, 44758, 72697, 84203, 119957, 138943, 145394, 168406, 239914, 277886, 451349, 508879, 839699, 902698, 1017758, 1672031, 1679398, 2759011, 3159443, 3344062, 5518022, 6318886, 10381027, 11704217, 19313077, 20762054, 23408434, 38626154, 62737511, 72667189, 125475022, 145334378, 439162577, 878325154, 1442962753, 2885925506, 10100739271, 20201478542]

約数ペア:

[(1, 20201478542), (2, 10100739271), (7, 2885925506), (14, 1442962753), (23, 878325154), (46, 439162577), (139, 145334378), (161, 125475022), (278, 72667189), (322, 62737511), (523, 38626154), (863, 23408434), (973, 20762054), (1046, 19313077), (1726, 11704217), (1946, 10381027), (3197, 6318886), (3661, 5518022), (6041, 3344062), (6394, 3159443), (7322, 2759011), (12029, 1679398), (12082, 1672031), (19849, 1017758), (22379, 902698), (24058, 839699), (39698, 508879), (44758, 451349), (72697, 277886), (84203, 239914), (119957, 168406), (138943, 145394)]