20804940120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3271217}}^1$

素因数の和:3271284

約数の個数: 64

約数和(自身を含む): 63592477920

約数和(自身を除く): 42787537800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 3271217, 6542434, 9813651, 13084868, 16356085, 19627302, 26169736, 32712170, 39254604, 49068255, 65424340, 78509208, 98136510, 130848680, 173374501, 196273020, 346749002, 392546040, 520123503, 693498004, 866872505, 1040247006, 1386996008, 1733745010, 2080494012, 2600617515, 3467490020, 4160988024, 5201235030, 6934980040, 10402470060, 20804940120]

約数ペア:

[(1, 20804940120), (2, 10402470060), (3, 6934980040), (4, 5201235030), (5, 4160988024), (6, 3467490020), (8, 2600617515), (10, 2080494012), (12, 1733745010), (15, 1386996008), (20, 1040247006), (24, 866872505), (30, 693498004), (40, 520123503), (53, 392546040), (60, 346749002), (106, 196273020), (120, 173374501), (159, 130848680), (212, 98136510), (265, 78509208), (318, 65424340), (424, 49068255), (530, 39254604), (636, 32712170), (795, 26169736), (1060, 19627302), (1272, 16356085), (1590, 13084868), (2120, 9813651), (3180, 6542434), (6360, 3271217)]