20121103904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{112303}}^1$

素因数の和:112833

約数の個数: 48

約数和(自身を含む): 43299930240

約数和(自身を除く): 23178826336

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 509, 1018, 2036, 4072, 5599, 8144, 11198, 16288, 22396, 44792, 89584, 112303, 179168, 224606, 449212, 898424, 1235333, 1796848, 2470666, 3593696, 4941332, 9882664, 19765328, 39530656, 57162227, 114324454, 228648908, 457297816, 628784497, 914595632, 1257568994, 1829191264, 2515137988, 5030275976, 10060551952, 20121103904]

約数ペア:

[(1, 20121103904), (2, 10060551952), (4, 5030275976), (8, 2515137988), (11, 1829191264), (16, 1257568994), (22, 914595632), (32, 628784497), (44, 457297816), (88, 228648908), (176, 114324454), (352, 57162227), (509, 39530656), (1018, 19765328), (2036, 9882664), (4072, 4941332), (5599, 3593696), (8144, 2470666), (11198, 1796848), (16288, 1235333), (22396, 898424), (44792, 449212), (89584, 224606), (112303, 179168)]