20565214496

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{560299}}^1$

素因数の和:560377

約数の個数: 48

約数和(自身を含む): 42923462400

約数和(自身を除く): 22358247904

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 592, 992, 1147, 1184, 2294, 4588, 9176, 18352, 36704, 560299, 1120598, 2241196, 4482392, 8964784, 17369269, 17929568, 20731063, 34738538, 41462126, 69477076, 82924252, 138954152, 165848504, 277908304, 331697008, 555816608, 642662953, 663394016, 1285325906, 2570651812, 5141303624, 10282607248, 20565214496]

約数ペア:

[(1, 20565214496), (2, 10282607248), (4, 5141303624), (8, 2570651812), (16, 1285325906), (31, 663394016), (32, 642662953), (37, 555816608), (62, 331697008), (74, 277908304), (124, 165848504), (148, 138954152), (248, 82924252), (296, 69477076), (496, 41462126), (592, 34738538), (992, 20731063), (1147, 17929568), (1184, 17369269), (2294, 8964784), (4588, 4482392), (9176, 2241196), (18352, 1120598), (36704, 560299)]