20019614

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12881506

約数列:

[1, 2, 23, 31, 46, 62, 101, 139, 202, 278, 713, 1426, 2323, 3131, 3197, 4309, 4646, 6262, 6394, 8618, 14039, 28078, 72013, 99107, 144026, 198214, 322897, 435209, 645794, 870418, 10009807, 20019614]

約数ペア:

[(1, 20019614), (2, 10009807), (23, 870418), (31, 645794), (46, 435209), (62, 322897), (101, 198214), (139, 144026), (202, 99107), (278, 72013), (713, 28078), (1426, 14039), (2323, 8618), (3131, 6394), (3197, 6262), (4309, 4646)]