20619674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 35121600

約数和(自身を除く): 14501926

約数列:

[1, 2, 17, 19, 34, 38, 59, 118, 323, 541, 646, 1003, 1082, 1121, 2006, 2242, 9197, 10279, 18394, 19057, 20558, 31919, 38114, 63838, 174743, 349486, 542623, 606461, 1085246, 1212922, 10309837, 20619674]

約数ペア:

[(1, 20619674), (2, 10309837), (17, 1212922), (19, 1085246), (34, 606461), (38, 542623), (59, 349486), (118, 174743), (323, 63838), (541, 38114), (646, 31919), (1003, 20558), (1082, 19057), (1121, 18394), (2006, 10279), (2242, 9197)]