20161257584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{11117}}^1\times {\mathrm{8719}}^1$

素因数の和:19857

約数の個数: 40

約数和(自身を含む): 42075848640

約数和(自身を除く): 21914591056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8719, 11117, 17438, 22234, 34876, 44468, 69752, 88936, 113347, 139504, 144521, 177872, 226694, 289042, 453388, 578084, 906776, 1156168, 1813552, 2312336, 96929123, 193858246, 387716492, 775432984, 1260078599, 1550865968, 2520157198, 5040314396, 10080628792, 20161257584]

約数ペア:

[(1, 20161257584), (2, 10080628792), (4, 5040314396), (8, 2520157198), (13, 1550865968), (16, 1260078599), (26, 775432984), (52, 387716492), (104, 193858246), (208, 96929123), (8719, 2312336), (11117, 1813552), (17438, 1156168), (22234, 906776), (34876, 578084), (44468, 453388), (69752, 289042), (88936, 226694), (113347, 177872), (139504, 144521)]