20121344

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1483}}^1$

素因数の和:1552

約数の個数: 36

約数和(自身を含む): 40949496

約数和(自身を除く): 20828152

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1483, 1696, 2966, 3392, 5932, 6784, 11864, 13568, 23728, 47456, 78599, 94912, 157198, 189824, 314396, 379648, 628792, 1257584, 2515168, 5030336, 10060672, 20121344]

約数ペア:

[(1, 20121344), (2, 10060672), (4, 5030336), (8, 2515168), (16, 1257584), (32, 628792), (53, 379648), (64, 314396), (106, 189824), (128, 157198), (212, 94912), (256, 78599), (424, 47456), (848, 23728), (1483, 13568), (1696, 11864), (2966, 6784), (3392, 5932)]