20403856268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{23027}}^1$

素因数の和:23270

約数の個数: 48

約数和(自身を含む): 38300169600

約数和(自身を除く): 17896313332

約数列:

[1, 2, 4, 19, 38, 76, 89, 131, 178, 262, 356, 524, 1691, 2489, 3382, 4978, 6764, 9956, 11659, 23027, 23318, 46054, 46636, 92108, 221521, 437513, 443042, 875026, 886084, 1750052, 2049403, 3016537, 4098806, 6033074, 8197612, 12066148, 38938657, 57314203, 77877314, 114628406, 155754628, 229256812, 268471793, 536943586, 1073887172, 5100964067, 10201928134, 20403856268]

約数ペア:

[(1, 20403856268), (2, 10201928134), (4, 5100964067), (19, 1073887172), (38, 536943586), (76, 268471793), (89, 229256812), (131, 155754628), (178, 114628406), (262, 77877314), (356, 57314203), (524, 38938657), (1691, 12066148), (2489, 8197612), (3382, 6033074), (4978, 4098806), (6764, 3016537), (9956, 2049403), (11659, 1750052), (23027, 886084), (23318, 875026), (46054, 443042), (46636, 437513), (92108, 221521)]