20304819

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 30098432

約数和(自身を除く): 9793613

約数列:

[1, 3, 9, 67, 151, 201, 223, 453, 603, 669, 1359, 2007, 10117, 14941, 30351, 33673, 44823, 91053, 101019, 134469, 303057, 2256091, 6768273, 20304819]

約数ペア:

[(1, 20304819), (3, 6768273), (9, 2256091), (67, 303057), (151, 134469), (201, 101019), (223, 91053), (453, 44823), (603, 33673), (669, 30351), (1359, 14941), (2007, 10117)]