20216927408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74326939}}^1$

素因数の和:74326964

約数の個数: 20

約数和(自身を含む): 41474432520

約数和(自身を除く): 21257505112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74326939, 148653878, 297307756, 594615512, 1189231024, 1263557963, 2527115926, 5054231852, 10108463704, 20216927408]

約数ペア:

[(1, 20216927408), (2, 10108463704), (4, 5054231852), (8, 2527115926), (16, 1263557963), (17, 1189231024), (34, 594615512), (68, 297307756), (136, 148653878), (272, 74326939)]