20219395065

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 33434698752

約数和(自身を除く): 13215303687

約数列:

[1, 3, 5, 15, 47, 141, 181, 193, 235, 543, 579, 705, 821, 905, 965, 2463, 2715, 2895, 4105, 8507, 9071, 12315, 25521, 27213, 34933, 38587, 42535, 45355, 104799, 115761, 127605, 136065, 148601, 158453, 174665, 192935, 445803, 475359, 523995, 578805, 743005, 792265, 1641851, 2229015, 2376795, 4925553, 6984247, 7447291, 8209255, 20952741, 22341873, 24627765, 28679993, 34921235, 37236455, 86039979, 104763705, 111709365, 143399965, 430199895, 1347959671, 4043879013, 6739798355, 20219395065]

約数ペア:

[(1, 20219395065), (3, 6739798355), (5, 4043879013), (15, 1347959671), (47, 430199895), (141, 143399965), (181, 111709365), (193, 104763705), (235, 86039979), (543, 37236455), (579, 34921235), (705, 28679993), (821, 24627765), (905, 22341873), (965, 20952741), (2463, 8209255), (2715, 7447291), (2895, 6984247), (4105, 4925553), (8507, 2376795), (9071, 2229015), (12315, 1641851), (25521, 792265), (27213, 743005), (34933, 578805), (38587, 523995), (42535, 475359), (45355, 445803), (104799, 192935), (115761, 174665), (127605, 158453), (136065, 148601)]